[Sunday, May 1, 2011] NASA officials announced at 9:15 this morning that the Space Shuttle Endeavour will not launch on Monday and will not announce until Monday when the next possible launch attempt will be.

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[Sunday, May 1, 2011] All ISS systems continue to function nominally, except those noted previously or below.

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[Sunday, May 1, 2011] NASA managers have narrowed down the problem to the Load Control Assembly #2 (LCA 2) in Endeavour's aft avionics bay 5. They will pull out the LCA tomorrow and install a spare on Tuesday and test it for 2 days before deciding on an exact launch date.

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[Sunday, May 1, 2011] "We can tell you, pretty much, that it's not going to be any earlier than (May 8)," Moses said. "We're really not even setting the schedules today. There's still a whole lot of short-term work that has to be done."

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[Sunday, May 1, 2011] All ISS systems continue to function nominally, except those noted previously or below. Saturday - crew off duty.

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[Sunday, May 1, 2011] All ISS systems continue to function nominally, except those noted previously or below. Sunday - crew off duty. Ahead: Week 7 of Increment 27.

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[Monday, May 2, 2011] During some free time, NASA astronaut Cady Coleman, Expedition 27 flight engineer, plays a flute in the JAXA Kibo laboratory onboard the International Space Station.

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[Monday, May 2, 2011] Winners of the Conrad Foundation's 2011 Innovation Summit were announced today at the conclusion of the four-day event held at NASA-Ames Research Center.

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[Monday, May 2, 2011] Technicians and engineers have identified the likely source of what caused heaters on a fuel line for space shuttle Endeavour's auxiliary power unit-1 (APU-1) to fail on Friday, scrubbing the first launch attempt for the STS-134 mission.

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[Monday, May 2, 2011] NASA managers met Monday and determined that Tuesday, May 10 is the earliest Endeavour could be launched on the STS-134 mission. That date is success oriented based on preliminary schedules to replace a faulty Load Control Assembly box.

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[Monday, May 2, 2011] All ISS systems continue to function nominally, except those noted previously or below. Underway: Week 7 of Increment 27.

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[Tuesday, May 3, 2011] I just learned with great sadness of the passing of Bob Clark aka "Dr. Bob". Bob was the guy who hired me to work at NASA as a civil servant on the Space Station Freedom Program in 1990.

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[Tuesday, May 3, 2011] Technicians at NASA's Kennedy Space Center's Launch Pad 39A removed the Load Control Assembly-2 (LCA-2) box in the orbiter's aft compartment last night.

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[Wednesday, May 4, 2011] Teams on NASA Kennedy Space Center's Launch Pad 39A have disconnected ordinance this evening on space shuttle Endeavour.

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[Wednesday, May 4, 2011] Teams on NASA Kennedy Space Center's Launch Pad 39A are installing a new power distribution box called a Load Control Assembly-2 (LCA-2) into space shuttle Endeavour.

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[Thursday, May 5, 2011] All ISS systems continue to function nominally, except those noted previously or below.

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[Thursday, May 5, 2011] All ISS systems continue to function nominally, except those noted previously or below.

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[Thursday, May 5, 2011] The Postal Service dedicated two stamps today commemorating two historic events -- one that occurred a half century ago, and the second that's making history now.

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[Thursday, May 5, 2011] NASA proposes to revise the NASA FAR Supplement (NFS) to consolidate and make changes to three currently-existing cross-waiver of liability clauses.

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[Thursday, May 5, 2011] Technicians at the NASA Shuttle Logistic Depot in Cape Canaveral, Fla., continue additional testing today on a faulty power distribution box, called a Load Control Assembly 2 (LCA-2).

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[Thursday, May 5, 2011] NASA Administrator Charles Bolden issued the following statement Thursday, May 5, about the 50th anniversary of United States human spaceflight:

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[Thursday, May 5, 2011] NASA astronaut Cady Coleman, Expedition 27 flight engineer, poses with three Extravehicular Mobility Unit (EMU) spacesuits in the Permanent Multipurpose Module (PMM) of the International Space Station

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[Thursday, May 5, 2011] Sunset over western South America is featured in this image photographed by an Expedition 27 crew member on the ISS. Crew members onboard the space station see, on average, sixteen sunrises and sunsets during a 24-hour orbital period.

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[Thursday, May 5, 2011] Over the last two months, Yuri's Night has received hundreds of outstanding and inspiring space-themed videos, photos, and advertisements from around the world, and even more entries for our Global Sweepstakes.

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[Friday, May 6, 2011] Endeavour's no earlier than launch date remains May 10, but senior NASA managers will meet Friday to evaluate the progress of repairs and select a new launch date for the STS-134 mission to the International Space Station.

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[Friday, May 6, 2011] All ISS systems continue to function nominally, except those noted previously or below.    

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[Friday, May 6, 2011] The purpose of this synopsis is to inform industry of NASA's intent to award a one-year, with 1 one-year option, sole source contract extension to the Integrated Mission Operations Contract (IMOC).

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[Friday, May 6, 2011] NASA/HQ intends to increase the maximum order amount of contract NNH07CC90B with Innovative Technologies, Inc. (ITI), pursuant to 10 U.S.C. 2304(c)(1), Only One Responsible Source.

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[Friday, May 6, 2011] NASA managers met Friday afternoon and determined space shuttle Endeavour will launch no earlier than Monday, May 16 at 8:56 a.m. EDT.

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[Friday, May 6, 2011] All ISS systems continue to function nominally, except those noted previously or below.  

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[Saturday, May 7, 2011] Backdropped by Earth's horizon and the blackness of space, the Canadian-built Dextre, also known as the Special Purpose Dextrous Manipulator, is featured in this image photographed by an Expedition 27 crew member on the ISS.

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[Sunday, May 8, 2011] All ISS systems continue to function nominally, except those noted previously or below. Saturday - crew off duty.

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[Monday, May 9, 2011] All ISS systems continue to function nominally, except those noted previously or below. Sunday - crew off duty. Ahead: Week 8 of Increment 27.

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[Monday, May 9, 2011] NASA managers have set the liftoff of space shuttle Endeavour for 8:56 a.m. EDT on Monday, May 16. The STS-134 mission to the International Space Station is the penultimate shuttle flight and the final one for Endeavour.

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[Tuesday, May 10, 2011] All ISS systems continue to function nominally, except those noted previously or below. Underway: Week 8 of Increment 27.

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[Tuesday, May 10, 2011] To determine how best to explore asteroids in the future, NASA scientists and engineers are taking their experiments underwater in the 15th expedition of NASA Extreme Environment Mission Operations, or NEEMO.

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[Tuesday, May 10, 2011] STS-133 commander Steven Lindsey, far left, presents a montage to President Barack Obama as crew members Michael Barratt, pilot Eric Boe, Nicole Slott and Steve Bowen look on during a visit to the Oval Office, Monday, May 9, 2011.

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[Wednesday, May 11, 2011] All ISS systems continue to function nominally, except those noted previously or below.

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[Thursday, May 12, 2011] All ISS systems continue to function nominally, except those noted previously or below.

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[Thursday, May 12, 2011] Reporters are invited to cover space shuttle Atlantis' final planned move from its processing hangar to the Vehicle Assembly Building, on Tuesday, May 17, at NASA's Kennedy Space Center in Florida.

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[Friday, May 13, 2011] All ISS systems continue to function nominally, except those noted previously or below.

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[Friday, May 13, 2011] Today, CSA President Steve MacLean launched the Living in Space exhibition accompanied by former and current astronauts Chris Hadfield, Robert Thirsk, Bjarni Tryggvason, Dave Williams, Julie Payette, Jeremy Hansen and David Saint-Jacques.

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[Friday, May 13, 2011] NASA Television will cover the return of three International Space Station crew members and the launch of three new station residents in the coming weeks.

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[Friday, May 13, 2011] While NASA's commercial cargo efforts have been underway since 2005, and NASA has been purchasing commercial services for robotic spacecraft launches since 1988, NASA is just beginning its Commercial Crew Program.

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[Friday, May 13, 2011] The countdown to space shuttle Endeavour's launch now is under way. The clocks started counting down on time at 7 a.m. EDT.

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[Friday, May 13, 2011] Teams at NASA's Kennedy Space Center in Florida continue to prepare space shuttle Endeavour for a liftoff on Monday at 8:56 a.m. EDT. Everything is going on schedule reported NASA Test Director Jeff Spaulding.

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[Saturday, May 14, 2011] All ISS systems continue to function nominally, except those noted previously or below.

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[Saturday, May 14, 2011] Launch teams at NASA's Kennedy Space Center are working through the countdown milestones with no issues that would delay space shuttle Endeavour's launch Monday, May 16 at 8:56 a.m. EDT to the International Space Station.

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[Saturday, May 14, 2011] All ISS systems continue to function nominally, except those noted previously or below. Saturday - crew off duty.

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[Saturday, May 14, 2011] The shuttle Mission Management Team is giving space shuttle Endeavour's launch team the green light to continue the countdown for Monday's 8:56 a.m. EDT liftoff.

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[Sunday, May 15, 2011] May 5, 2011 was a historic day for Bucks County as the original gondola of the Johnsville Centrifuge that was used for training America's early space heroes returned to Warminster.

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[Sunday, May 15, 2011] When Space Shuttle Endeavour makes its final trip into space it will be under the watchful eye of a high altitude balloon built and flown by students and volunteers from across the U.S.

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[Sunday, May 15, 2011] All ISS systems continue to function nominally, except those noted previously or below. Sunday - crew off duty. Ahead: Week 9 of Increment 27. Godspeed, Endeavour (Mark, Greg, Mike, Roberto, Drew, Taz)!

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[Monday, May 16, 2011] Space shuttle Endeavour and its crew of six astronauts are headed for space, ready to begin their 16-day mission to the International Space Station. The climb to orbit takes about 8 1/2 minutes.

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[Monday, May 16, 2011] With a new scientific instrument that could increase human understanding of our universe in its cargo bay, Endeavour launched to the International Space Station on its last mission on a breezy Florida Monday morning.

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[Monday, May 16, 2011] Shuttle LIFE will add a host of microscopic space travelers to Endeavour's passenger manifest when the Planetary Society experiment launches aboard the space shuttle on May 16.

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[Monday, May 16, 2011] For the nearly 500,000 people watching the launch live in and around the Kennedy Space Centre the Space Shuttle Endeavour blasted off with on a plume of bright orange flame and quickly disappeared into the low clouds.

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[Monday, May 16, 2011] This image was taken this morning from the Senatobia-1 educational balloon at an altitude of approximately 64,000 ft.

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[Tuesday, May 17, 2011] All ISS systems continue to function nominally, except those noted previously or below. Underway: Week 9 of Increment 27.

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[Tuesday, May 17, 2011] Endeavour's six crew members are awake and ready for their mission's first full day in space. The crew's activities will focus on the standard inspection of the orbiter and preparations for docking with the International Space Station.

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[Tuesday, May 17, 2011] The day after Space Shuttle Endeavour launched from the Kennedy Space Center the last orbiter to ever fly, Atlantis, was moved from the Orbiter Processing Facility #1 to the Vehicle Assembly Building for mating with her external tank.

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[Tuesday, May 17, 2011] The STS-134 external fuel tank is seen during its release from space shuttle Endeavour in space following the successful launch on May 16, 2011.

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[Tuesday, May 17, 2011] Avachinsky Volcano, Kamchatka Peninsula, Russia is featured in this image photographed by an Expedition 27 crew member on the International Space Station.

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[Tuesday, May 17, 2011] As Atlantis entered the VAB workers posed behind it with the banner "We're Behind You, Atlantis" and then a few of them pulled out what appeared to be a quilt with all the mission patches sewn on it.

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[Tuesday, May 17, 2011] Endeavour's astronauts performed an inspection of the orbiter's thermal protection system. They also checked out spacesuits and rendezvous tools in preparation for Wednesday's docking with the International Space Station, scheduled for 5:16 a.m. CDT.

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[Wednesday, May 18, 2011] Last week I had a rather remarkable experience: I flew into space in Pennsylvania. Well, almost. I attended a three day Suborbital Scientist Training Program conducted by The NASTAR Center.

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[Wednesday, May 18, 2011] All ISS systems continue to function nominally, except those noted previously or below.

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[Wednesday, May 18, 2011] Hatches between space shuttle Endeavour and the International Space Station were opened about an hour ahead of schedule at 7:38 a.m. EDT.

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[Wednesday, May 18, 2011] Rendezvous operations will resume at 11:36 p.m. today, with the start of the final phase of the rendezvous beginning at 2:37 a.m. Wednesday when the terminal initiation burn is performed.

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[Wednesday, May 18, 2011] Molecular Devices top-of-the-line M5e Reader offers flexible configurations across all commonly-used detection methods to accommodate a wide range of life sciences applications.

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[Wednesday, May 18, 2011] Preparations were made today to begin mating Space Shuttle Atlantis with its External Tank and Solid Rocket Boosters.

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[Wednesday, May 18, 2011] The National Aerospace Training and Research Center (NASTAR) in Southampton, PA, a member of the Commercial Spaceflight Federation, welcomed last week its latest set of future scientist-astronauts and educator-astronauts for training.

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[Wednesday, May 18, 2011] All ISS systems continue to function nominally, except those noted previously or below.

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[Wednesday, May 18, 2011] Endeavour docked with the International Space Station at 5:14 a.m. CDT Wednesday, bringing an advanced scientific instrument that could answer basic questions about our universe, perhaps shedding light on dark matter and antimatter.

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[Thursday, May 19, 2011] These views of space shuttle Endeavour was provided by an Expedition 27 crew member during a survey of the approaching STS-134 vehicle prior to docking with the International Space Station.

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[Thursday, May 19, 2011] The secondary purpose of the event is to showcase Youth EXPO, an educational resource based on NASA's climate visualizations.

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[Thursday, May 19, 2011] New research in the FASEB Journal suggests that flawed antibody production could potentially compromise resistance to infections during long-term missions and jeopardize the outcome of a space mission.

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[Thursday, May 19, 2011] An instrument that seeks to unite astronomy and high-energy physics to give us a better understanding of our universe was installed on the International Space Station by space shuttle Endeavour astronauts Thursday.

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[Friday, May 20, 2011] At ~2:58am EDT, the AMS-2 (Alpha Magnetic Spectrometer 2) was unberthed from the Shuttle cargo bay by Roberto Vittori & Drew Feustel, transferred to the ISS with the SSRMS (Space Station Remote Manipulator System) by Greg Chamitoff & Greg Johnson.

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[Friday, May 20, 2011] Mission Specialists Andrew Feustel and Greg Chamitoff are set to begin the first of four spacewalks planned for the STS-134 mission at 2:16 a.m. Friday.

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[Friday, May 20, 2011] Today Mission Specialists Drew Feustel and Greg Chamitoff perform the first of four spacewalks of this shuttle mission. The spacewalk is expected to begin at 3:16 a.m. and last six to six and a half hours.

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[Friday, May 20, 2011] Judging by her countenance, NASA astronaut Cady Coleman, Expedition 27 flight engineer, is elated to have company coming to the ISS, from which she can see the mutual approach of the ISS and the space shuttle Endeavour (seen in portal).

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[Friday, May 20, 2011] This past Wednesday the orbiter Atlantis was lifted and mated to her external tank and solid rocket boosters in preparation for her final flight and the programs last shuttle flight.

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[Friday, May 20, 2011] Drew Feustel and Greg Chamitoff completed a 6 hr, 19 min spacewalk at 9:29 am EDT. They installed antennas for the External Wireless Communication system, routing cables, setting up the antenna, installing handrails, and connecting power cables.

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[Friday, May 20, 2011] NASA's final space shuttle flight is targeted to launch July 8 at 11:40 am EDT from Kennedy Space Center in Florida. Four veteran astronauts will fly aboard shuttle Atlantis to deliver supplies and spare parts to the International Space Station.

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[Friday, May 20, 2011] This Announcement changes the contact information for the Ombudsman appointed to hear and facilitate the resolution of concerns from interested parties concerning the selection process for the NASA-CCDev-2 Announcement.

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[Friday, May 20, 2011] The National Aeronautics and Space Administration (NASA) plans to issue a revision to the NASA Launch Services II (NLS II) Request for Proposal (RFP) on or around June 20, 2011 and encourages new and existing providers to submit proposals.

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[Friday, May 20, 2011] His Holiness the Pope will talk with the astronauts aboard the International Space Station from the Vatican Library on Saturday, 21 May. The inflight call will take place at 13:11 CEST (11:11 GMT).

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[Friday, May 20, 2011] The six-hour rollout from Kennedy's Vehicle Assembly Building is a major milestone as Atlantis is prepared for the final shuttle launch targeted for July 8.

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[Friday, May 20, 2011] NASA will give 150 of its Twitter followers a front-row seat at the historic final space shuttle launch. The agency's fifth shuttle launch Tweetup, scheduled July 7-8 at NASA's Kennedy Space Center in Florida.

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[Saturday, May 21, 2011] Endeavour astronauts completed a 6-hour, 19-minute spacewalk at the International Space Station Friday, retrieving materials experiments and installing another, and installing an antenna.

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[Saturday, May 21, 2011] All ISS systems continue to function nominally, except those noted previously or below. FE-3 Ron Garan continues on his special Shuttle-crew sleep-cycle schedule: Wake - 10:26pm last night; Sleep - 12:56pm-9:26pm today.

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[Saturday, May 21, 2011] The combined crew of the International Space Station and space shuttle Endeavour will work together to perform robotics and prepare for the mission's second spacewalk.

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[Saturday, May 21, 2011] The Soyuz TMA-20 spacecraft undocks and flies around the International Space Station in this computer-generated animation shown during the May 20, 2011 STS-134 Mission Status Briefing.

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[Saturday, May 21, 2011] At 4:30 a.m. EDT, Endeavour's crew completed a focused inspection of a damaged area on the space shuttle's thermal protection system. The data will now be sent to Mission Control for analysis.

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[Saturday, May 21, 2011] Mission managers cleared Endeavour's thermal protection system for reentry after analysis of data and images from an early-morning focused robotic inspection of the tiles.

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[Saturday, May 21, 2011] Mission managers cleared Endeavour's thermal protection system for reentry after analysis of data and images from an early-morning focused robotic inspection of the tiles.

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[Saturday, May 21, 2011] All ISS systems continue to function nominally, except those noted previously or below. FE-3 Ron Garan continues on his special Shuttle-crew sleep schedule: Wake - 9:26pm last night; off-duty - 11:30pm-2:00am; sleep - 12:56pm-9:26pm today.

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[Saturday, May 21, 2011] Expedition 27 Flight Engineer Cady Coleman flies through the International Space Station with a high-definition video camera.

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[Saturday, May 21, 2011] Two golden orb spiders are delivered by the STS-134 crew to the International Space Station so researchers can observe the arachnids' habits in microgravity.

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[Sunday, May 22, 2011] An extravehicular excursion is planned today. STS-134 Mission Specialists Andrew Feustel and Mike Fincke are slated to perform the second spacewalk of the mission to continue outfitting and maintenance of the space station complex.

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[Sunday, May 22, 2011] At 2:05 a.m. EDT, STS-134 spacewalkers Drew Feustel and Mike Fincke switched their suits to battery power, signifying the start of today's planned six and a half hour excursion.

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[Sunday, May 22, 2011] It turned into a long day for the Endeavour spacewalkers outside the International Space Station as they worked to complete all of the assigned maintenance tasks.

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[Sunday, May 22, 2011] The Horseshoe 2 fire, located along the southeastern flank of the Chiricahua Mountains in southeastern Arizona, began on May 8, 2011 at approximately 11:00 a.m. The fire is thought to have been started by human activities.

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[Monday, May 23, 2011] All ISS systems continue to function nominally, except those noted previously or below. Sunday. Ahead: Week 10 of Increment 27/28.

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[Monday, May 23, 2011] Taken into space by the Space Shuttle, the Alpha Magnetic Spectrometer will sift ten thousand cosmic-ray hits every minute, looking for nature's best-kept particle secrets.

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[Monday, May 23, 2011] The space shuttle Endeavour crew gets some down time today. After several days of extensive robotics, installation of new hardware and two spacewalks, the crew will have mostly off-duty time.

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[Monday, May 23, 2011] Volcano on Onekotan Island, Russia photographed on 17 May 2011 by an ISS crew member.

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[Monday, May 23, 2011] Mission Specialist Roberto Vittori joined Expedition 27 Flight Engineer and fellow Italian Paolo Nespoli for a special call from Giorgio Napolitano, the President of the Italian Republic. The call took place from Rome at 9:31 a.m. EDT.

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[Monday, May 23, 2011] Members of the news media are invited to attend a presentation ceremony of the U.S. Honor Flag to NASA on Thursday, May 26, at 10:30 a.m. at the Astronaut Memorial Mirror at the Kennedy Space Center Visitor Complex.

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[Monday, May 23, 2011] NASA is inviting the general public and journalists to a special concert at 7 p.m. EDT on Wednesday, May 25, at the John F. Kennedy Center for the Performing Arts in Washington to honor American achievements in human spaceflight.

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[Monday, May 23, 2011] Astronaut Andrew Feustel reenters the space station after completing n 8-hour, 7-minute spacewalk at 10:12 a.m. EDT Sunday, May 22, 2011. He and fellow spacewalker Mike Fincke completed this, the second of the four STS-134 spacewalks.

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[Tuesday, May 24, 2011] NASA investment of resources to communicate with the private sector may aid in the development and demonstration of safe, reliable, and cost-effective space transportation capabilities.

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[Tuesday, May 24, 2011] Endeavour astronauts said goodbye to half of their International Space Station colleagues Monday afternoon as the Expedition 27 crew members prepared to return to Earth.

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[Tuesday, May 24, 2011] All ISS systems continue to function nominally, except those noted previously or below. Sunday. Ahead: Week 10 of Increment 27/28.

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[Tuesday, May 24, 2011] The combined Endeavour and International Space Station crew is now down to nine following the first Soyuz departure in history while a space shuttle was docked to the station.

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[Tuesday, May 24, 2011] Humanity's dream of exploring space-to look for life on other planets and to better understand our place in the universe-has not diminished over the years. But advances in human space exploration beyond low-Earth orbit have been slow to emerge.

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[Tuesday, May 24, 2011] Expedition 27 Commander Dmitry Kondratyev and Flight Engineers Cady Coleman and Paolo Nespoli safely landed their Soyuz spacecraft on the Kazakhstan steppe Monday, wrapping up a five-month stay aboard the International Space Station.

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[Tuesday, May 24, 2011] For Mikayla and Shannon Diesch seeing a shuttle launch in person and knowing that something you created was going into space on Space Shuttle Endeavour was the culmination of a year and half adventure.

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[Tuesday, May 24, 2011] NASA has reached an important milestone for the next U.S. transportation system that will carry humans into deep space. Charles Bolden announced today that the system will be based on designs originally planned for the Orion Crew Exploration Vehicle.

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[Wednesday, May 25, 2011] Preparations for the mission's third spacewalk, station maintenance and repairs kept Endeavour crew members busy much of Tuesday.

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[Wednesday, May 25, 2011] All ISS systems continue to function nominally, except those noted previously or below. FD10 (Flight Day 10) of STS-134/ULF-6.

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[Wednesday, May 25, 2011] Another day of spacewalk activity is on tap for the combined space shuttle and International Space Station crews today.

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[Wednesday, May 25, 2011] STS-134 spacewalkers Drew Feustel and Mike Fincke switched their suits to battery power at 1:43 a.m. EDT, signifying the start of today's planned six and a half hour excursion.

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[Wednesday, May 25, 2011] Astronauts Drew Feustel and Mike Fincke have made all the connections for the jumper cables that will provide redundant power to the Russian segment of the space station.

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[Wednesday, May 25, 2011] Because of the absence of gravity, fuels burning in space behave very differently than they do on Earth. In this image, a 3-millimeter diameter droplet of heptane fuel burns in microgravity, producing soot

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[Wednesday, May 25, 2011] Astronauts Drew Feustel and Mike Fincke completed a six-hour, 54-minute spacewalk at 8:37 a.m. EDT. They completed all planned tasks, installing cables to increase redundancy for the power system on the Russian segment of the station.

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[Wednesday, May 25, 2011] The nine crew members aboard space shuttle Endeavour and the International Space Station will hold a news conference starting at 5:42 a.m. EDT on Thursday, May 26.

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[Wednesday, May 25, 2011] All ISS systems continue to function nominally, except those noted previously or below. FD11 (Flight Day 11) of STS-134/Endeavour/ULF-6.

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[Wednesday, May 25, 2011] The International Space Station's Canadarm2 is closer to having a new base of operation, giving it access to much of the orbiting laboratory's Russian segment.

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[Thursday, May 26, 2011] Dr. Buzz Aldrin's speech today at ceremonies the Kennedy Presidential Library in Boston Massachusetts saluting John F. Kennedy's address to Congress a half century ago which propelled America into the exploration of space.

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[Thursday, May 26, 2011] The International Space Station and space shuttle Endeavour crews continue with a variety of activities today. They will perform a vehicle inspection, prepare for the final spacewalk, and participate in a combined crew news conference.

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[Thursday, May 26, 2011] ESA's high-flying 'Greenhouse in Space' educational venture began in February with a live link to the Space Station and four events around Europe. Now, after three months, the project has finished in Lisbon - and aboard a virtual Mars spacecraft.

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[Thursday, May 26, 2011] Space shuttle Endeavour's crew completed today's inspection of the shuttle's thermal protection system at 2:16 a.m. EDT. The crew began the inspection early.

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[Thursday, May 26, 2011] With ATV Johannes Kepler in space and ATV Edoardo Amaldi almost built, the next Space Station supply craft coming off the production line has been named after the most famous scientist of all time: Albert Einstein. Launch is expected in early 2013.

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[Thursday, May 26, 2011] These new, crystal clear high-definition videos shot from the Endeavour's Solid Rocket Boosters provide a stunning view of what it is like to launch into space.

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[Thursday, May 26, 2011] SpaceX and Orbital continue to make progress completing milestones under their COTS agreements with NASA, but both partners are working under aggressive schedules and have experienced delays in completing demonstration missions.

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[Thursday, May 26, 2011] The mission's fourth and final spacewalk with Mike Fincke and Greg Chamitoff is set to begin at 12:46 a.m. EDT and last approximately six and a half hours.

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[Thursday, May 26, 2011] Endeavour crew members spent much of their day on late inspection of the shuttle's thermal protection system and preparations for the fourth and final spacewalk of their visit to the International Space Station.

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[Friday, May 27, 2011] All ISS systems continue to function nominally, except those noted previously or below. FD11 (Flight Day 11) of STS-134/Endeavour/ULF-6. Onboard crew complement: 9.

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[Friday, May 27, 2011] Mike Fincke and Greg Chamitoff, both mission specialists, are set to begin the mission's fourth and final spacewalk at 12:46 a.m.

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[Friday, May 27, 2011] The final spacewalk to be performed by shuttle crew astronauts is planned today. Mission Specialists Greg Chamitoff and Mike Fincke will perform the historic spacewalk.

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[Friday, May 27, 2011] Its work with the space shuttle complete, the orbiter boom sensor system has a new home on the International Space Station's main truss and a new name, the second of the day.

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[Saturday, May 28, 2011] All ISS systems continue to function nominally, except those noted previously or below. FD12 (Flight Day 12) of STS-134/Endeavour/ULF-6. Onboard crew complement: 9.

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[Saturday, May 28, 2011] The crews of space shuttle Endeavour and Expedition 28 woke at 8:01 p.m. EDT to the song "Will You Carry Me?" performed by Michael FitzPatrick, played for the entire crew.

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[Saturday, May 28, 2011] The four astronauts for the final space shuttle mission, STS-135, will answer reporters' questions at 8:30 p.m. EDT on Tuesday, May 31, as shuttle Atlantis is moved to its launch pad at NASA's Kennedy Space Center in Florida.

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[Saturday, May 28, 2011] The combined shuttle and station crews turn their focus to final docked activities today. The crew will perform hardware maintenance, reconfigure spacesuits and continue transfer work.

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[Saturday, May 28, 2011] Spacesuit reconfiguration, work on a carbon dioxide scrubber, and movement of equipment and supplies between Endeavour and the International Space Station kept crew members of the docked spacecraft busy during their just-completed workday.

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[Saturday, May 28, 2011] Intersecting the thin line of Earth's atmosphere, International Space Station solar array wings are featured in this image photographed by an STS-134 crew member while space shuttle Endeavour remains docked with the station.

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[Saturday, May 28, 2011] Spacesuit reconfiguration, work on a carbon dioxide scrubber, and movement of equipment and supplies between Endeavour and the International Space Station kept crew members of the docked spacecraft busy during their just-completed workday.

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[Sunday, May 29, 2011] All ISS systems continue to function nominally, except those noted previously or below. Saturday - FD13 (Flight Day 13) of STS-134/Endeavour/ULF-6. Onboard crew complement: 9.

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[Sunday, May 29, 2011] The crews of space shuttle Endeavour and the International Space Station woke at 7:56 p.m. EDT to "Galaxy Song" performed by Clint Black. The song was dedicated to the whole crew by the flight control team.

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[Sunday, May 29, 2011] The combined shuttle and station crews wrap up their docked activities and prepare to close the hatches between the two vehicles today.

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[Sunday, May 29, 2011] Farewells and the closure of hatches between Endeavour and the International Space Station wound up 11 days of joint operations between crews of the two spacecraft.

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[Sunday, May 29, 2011] Update: NASA astronaut Michael Fincke, STS-134 mission specialist, prepares to eat a snack on one of the Conrad Foundation's STEM bars - on the middeck of space shuttle Endeavour while docked with the International Space Station.

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[Sunday, May 29, 2011] All ISS systems continue to function nominally, except those noted previously or below. FD14 (Flight Day 14) of STS-134/Endeavour/ULF-6. Sunday - Hatch Closure Day.

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[Sunday, May 29, 2011] Space Shuttle Endeavour's final undocking from the International Space Station is the focus of attention today for the crewmembers on both vehicles after more than 11 days of joint docked operations.

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[Monday, May 30, 2011] At 11:55 p.m. EDT Sunday, space shuttle Endeavour undocked from the International Space Station. Endeavour spent 11 days, 17 hrs and 41 minutes docked to the orbiting laboratory. At undocking, the spacecraft were 215 miles above LaPaz, Bolivia.

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[Monday, May 30, 2011] At 4:38 a.m. EDT, Endeavour fired its jets to complete the final separation from the International Space Station, setting it on its course for return to Earth Wednesday, June 1. The shuttle will begin to increase its distance behind the station with each

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[Monday, May 30, 2011] Endeavour undocked from the International Space Station at 10:55 p.m. CDT Sunday, ending a stay of 11 days, 17 hours and 41 minutes at the orbiting laboratory.

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[Monday, May 30, 2011] NASA STS-134 Update: Endeavour Prepares for Return Home

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[Monday, May 30, 2011] In an unprecedented on-orbit maneuver, Commander Mark Kelly completed the first ever Orion Multi-Purpose Crew Vehicle (MPCV)-like approach to the International Space Station at 3:24 a.m. CDT today.

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[Monday, May 30, 2011] The International Space Station is featured in this image photographed by an STS-134 crew member on the space shuttle Endeavour after the station and shuttle began their post-undocking relative separation.

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[Monday, May 30, 2011] The crew of space shuttle Endeavour woke at 6:57 p.m. EDT to the song "Dreams You Give," written and performed by Brian Plunkett and played for the entire crew.

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[Monday, May 30, 2011] All ISS systems continue to function nominally, except those noted previously or below. FD15 (Flight Day 15) of STS-134/Endeavour/ULF-6

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[Tuesday, May 31, 2011] The astronauts on space shuttle Endeavour got a special wakeup call Monday to kick off a day devoted to preparing the orbiter and its crew for their return to Earth this Wednesday.

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[Tuesday, May 31, 2011] Endeavour astronauts spent much of their day getting ready for their return to Earth. Their first landing opportunity is Wednesday at 1:35 a.m. CDT at Kennedy Space Center.

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[Tuesday, May 31, 2011] Space shuttle Endeavour is scheduled to return to Earth for the final time on Wednesday, June 1, completing a 16-day mission to outfit the International Space Station.

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[Tuesday, May 31, 2011] A portion of the International Space Station is visible in this view of a starry sky and Earth's horizon, photographed by an STS-134 crew member while space shuttle Endeavour remains docked with the station.

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