NASA TOP STORY
NASA's Fermi Space Telescope Finds A Transformer Pulsar 
© NASA's Goddard Space Flight Center
NASA's Fermi Space Telescope Finds A Transformer Pulsar
In late June 2013, an exceptional binary containing a rapidly spinning neutron star underwent a dramatic change in behavior never before observed. The pulsar's radio beacon vanished, while at the same time the system brightened fivefold in gamma rays, the most powerful form of light, according to measurements by NASA's Fermi Gamma-ray Space Telescope.
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The X Factor: Behind the James Webb Space Telescope
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The X Factor: Behind the James Webb Space Telescope
The James Webb Space Telescope is being tested at a number of facilities, including some operated by NASA. One of these locations is in Huntsville, Alabama, at the Marshall Space Flight Center.
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NASA's Chandra X-ray Observatory Celebrates 15th Anniversary
Fifteen years ago, NASA's Chandra X-ray Observatory was launched into space aboard the Space Shuttle Columbia. Since its deployment on July 23, 1999, Chandra has helped revolutionize our understanding of the universe through its unrivaled X-ray vision.
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VIDEO: NASA Renames Historic Facility in Honor of Neil Armstrong
During a ceremony at Kennedy Space Center on Monday, July 21, NASA renamed the center's Operations and Checkout Building in honor of late astronaut Neil Armstrong, who passed away in 2012.
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This Week at NASA: Apollo 11 Yesterday, Next Giant Leap Tomorrow
NASA is celebrating the 45th anniversary of the historic Apollo 11 mission to the moon. On July 20, 1969, Neil Armstrong and Buzz Aldrin, with crewmate Michael Collins manning the command service module from lunar orbit, became the first humans on the moon -- with Armstrong's historic first step onto the lunar surface becoming a symbolic giant leap for humanity.
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Video Archive: Looking Back at Apollo 11 45 Years Ago
NASA is marking the 45th anniversary of the first moon landing this month. Here in a series of videos from the archives are some of the events of that fateful mission.
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NASA Administrator Charles Bolden Apollo 11 45th Anniversary Message
NASA Administrator Charles Bolden conveys his thoughts on the Apollo 11 45th anniversary.
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This Week at NASA: Cygnus Launch, Aquarius, Mars and More
Orbital Sciences Corporation's Antares rocket and Cygnus cargo craft launched from Wallops Flight Facility on the Orbital-2 mission -- the company's second operational resupply mission to the International Space Station, under its Commercial Resupply Services contract with NASA.
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This Week at NASA: OCO-2 Launch, SLS and Saturn
NASA's Orbiting Carbon Observatory-2 mission is underway. Launched from California's Vandenberg Air Force Base, OCO-2 will help track our impact on the amount of carbon dioxide in the atmosphere and help us better understand the various human-made and natural sources of CO-2.
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Ocean on Saturn's Moon Titan Could be as Salty as the Dead Sea
Scientists analyzing data from NASA's Cassini mission have firm evidence the ocean inside Saturn's largest moon, Titan, might be as salty as the Earth's Dead Sea.
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Cassini Names Final Mission Phase Its 'Grand Finale'
With input from more than 2,000 members of the public, team members on NASA's Cassini mission to Saturn have chosen a name for the final phase of the mission: the Cassini Grand Finale.
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Dawn's Spacecraft Downward Spiral to Reveal New World Views
Deep in the main asteroid belt, between Mars and Jupiter, far from Earth, far from the sun, far now even from the giant protoplanet Vesta that it orbited for 14 months, Dawn flies with its sights set on dwarf planet Ceres.
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NASA Launches New Carbon-Sensing Mission to Monitor Earth's Breathing
NASA successfully launched its first spacecraft dedicated to studying atmospheric carbon dioxide at 2:56 a.m. PDT (5:56 a.m. EDT) Wednesday.
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NASA's Orbiting Carbon Observatory-2 Mission Prelaunch Briefings
NASA held a news conference and science briefing on Sunday, June 29th in advance of the Orbiting Carbon Observatory-2 mission (OCO-2) launch. The launch is at Vandenberg Air Force Base (VAFB) in California, and is scheduled for Tuesday, July 1. Liftoff will be from Space Launch Complex 2 aboard a United Launch Alliance Delta II rocket and is targeted for 2:56 a.m. PDT (5:56 a.m. EDT, 0956 UTC).
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NASA's First Low-Density Supersonic Decelerator Test Flight a Success
NASA representatives participated in a media teleconference this morning to discuss the June 28, 2014 near-space test flight of the agency's Low-Density Supersonic Decelerator (LDSD), which occurred off the coast of the U.S. Navy's Pacific Missile Range Facility in Kauai, Hawaii.
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NASA This Week at NASA: 50 Years After the Civil Rights Act and More
A special program at NASA headquarters, helped celebrate the 50th anniversary of the Civil Rights Act of 1964.
More top stories from July.
NASA Mission Reports
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Latest Video
NASA's Fermi Space Telescope Finds A Transformer Pulsar
The X Factor: Behind the James Webb Space Telescope
NASA's Chandra X-ray Observatory Celebrates 15th Anniversary
VIDEO: NASA Renames Historic Facility in Honor of Neil Armstrong
This Week at NASA: Apollo 11 Yesterday, Next Giant Leap Tomorrow
Video Archive: Looking Back at Apollo 11 45 Years Ago
NASA Administrator Charles Bolden Apollo 11 45th Anniversary Message
This Week at NASA: Cygnus Launch, Aquarius, Mars and More
This Week at NASA: OCO-2 Launch, SLS and Saturn
NASA Launches New Carbon-Sensing Mission to Monitor Earth's Breathing
NASA's Orbiting Carbon Observatory-2 Mission Prelaunch Briefings
NASA's First Low-Density Supersonic Decelerator Test Flight a Success
NASA This Week at NASA: 50 Years After the Civil Rights Act and More
Calendar
- 23 Jul: Outer Planets Assessment Group (OPAG) Meeting
- 23 Jul: National Security Space Launch and the Industrial Base: Issues and Opportunities
- 24 Jul: #LivefromSpace: Committee to Speak with Astronauts aboard International Space Station
- 24 Jul: Ariane 5ES Launch of ESA's ATV-5
- 27 Jul: AbGradCon 2014
- 28 Jul: NASA Advisory Council Human Exploration and Operations Committee Meeting
- 28 Jul: NASA Advisory Council Technology, Innovation, and Engineering Committee Meeting
- 28 Jul: NASA Advisory Council Science Committee Meeting
- 29 Jul: NASA Advisory Council Aeronautics Committee Meeting
- 29 Jul: NASA Advisory Council Institutional Committee Meeting
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