August 2017

Scientists have helped solve the mystery of what lies beneath the surface of Neptune - the most distant planet in our solar system.

As the hullabaloo surrounding the Aug. 21 total eclipse of the sun swells by the day, a University of Colorado Boulder faculty member says a petroglyph in New Mexico's Chaco Canyon may represent a total eclipse that occurred there a thousand years ago.

The SpaceX Dragon spacecraft which was launched on August 14 from Falcon 9 rocket has arrived at the International Space Station.

The SpaceX Dragon is hauling advanced space research for delivery Wednesday morning to the International Space Station. Two cosmonauts are also gearing up for the seventh station spacewalk this year set to begin Thursday morning.

The aurora and the night sky above Earth's atmosphere are pictured from the space station.

The National Science Foundation (NSF) has awarded $900,000 for fundamental research in combustion and thermal transport to be performed on the International Space Station (ISS) U.S. National Laboratory for the benefit of life on Earth.

The subject of this NASA/ESA Hubble Space Telescope image is a dwarf galaxy named NGC 5949.

On Sept. 30, 2014, multiple NASA observatories watched what appeared to be the beginnings of a solar eruption.

Today - SpaceX (SpX)-12 Launch: SpX-12 launched successfully today from Kennedy Space Center at 11:31 am CDT.

Australian scientists have discovered why heavyweight galaxies living in a dense crowd of galaxies tend to spin more slowly than their lighter neighbours.

A new experiment set for an Aug. 14 launch to the International Space Station will provide an unprecedented look at a rain of particles from deep space, called cosmic rays, that constantly showers our planet.

Experiments seeking a better understanding of Parkinson's disease and the origin of cosmic rays are on their way to the International Space Station aboard a SpaceX Dragon spacecraft following today's 12:31 p.m. EDT launch.

Today - Synchronized Position Hold, Engage, Reorient, Experimental Satellites (SPHERES) Zero Robotics (ZR): The crew provided support for a SPHERES ZR Challenge competition between students from middle schools in the United States and Russia.

This paper discusses the physics, engineering and mission architecture relating to a gram-sized interstellar probe propelled by a laser beam.

Astronaut Paolo Nespoli checks out a science freezer inside Japan's Kibo laboratory module.

Mere weeks away from its dramatic, mission-ending plunge into Saturn, NASA's Cassini spacecraft has a hectic schedule, orbiting the planet every week in its Grand Finale.

An ancient mountain range on Mars preserves a complex volcanic and tectonic past imprinted with signs of water and ice interactions.

Crescent Earth as seen by Japan's Himawari 8 at 3:10 am PST this morning.

The Aug. 21 total solar eclipse across America is generating a lot of interest - and a lot of questions. You'll find answers to many of your eclipse questions at NASA's Eclipse 2017 website --

Jack Fischer ‏@Astro2fish "I didn't know if we could fit our whole crew for movie night, but we just needed more bungees and boom! Have a great weekend, everyone!"

Composite image showing tropical storm Franklin in the Gulf of Mexico, from 06:00 UTC on Wednesday, 9 August 2017.

NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.

Production of the five-segment powerhouse motors for the Space Launch System (SLS) solid rocket boosters is on target at prime contractor Orbital ATK's facilities in Utah, with 10 motor segments cast with propellant and four of those segments complete.

The Expedition 52 crew members pulled out their medical hardware today for a variety of eye checks and other biomedical research. The station residents are also making space and packing up gear for next week's cargo delivery aboard the SpaceX Dragon.

When astronomers peer into the universe, what they see often exceeds the limits of human understanding. Such is the case with low-mass galaxies--galaxies a fraction of the size of our own Milky Way.

As the public prepares for the upcoming eclipse, astronomers have released a striking new radar view of the Moon.

A docked Russian cargo craft fired its engines today slightly raising the orbit of the International Space Station. The orbital boost sets up next month's crew swap. The SpaceX Dragon cargo craft also received a new target launch date while the crew gets ready for a spacewalk next week.

New evidence from ancient lunar rocks suggests that an active dynamo once churned within the molten metallic core of the moon, generating a magnetic field that lasted at least 1 billion years longer than previously thought.

Wispy, early-season clouds resembling Earth's ice-crystal cirrus clouds move across the Martian sky in some new image sequences from NASA's Curiosity Mars rover.

NASA's Cassini spacecraft will enter new territory in its final mission phase, the Grand Finale, as it prepares to embark on a set of ultra-close passes through Saturn's upper atmosphere with its final five orbits around the planet.

On Monday, August 21, 2017, all of North America will be treated to an eclipse of the sun. Anyone within the path of totality can see one of nature's most awe inspiring sights - a total solar eclipse. This video, narrated by actor George Takei, provides a few viewing tips for the public.

Today - Fluids Integrated Rack (FIR): The crew replaced the two FIR white lights. One was burned out and the other had high usage and was nearing its end of life.

Only a small part of the universe consists of visible matter. By far the largest part is invisible and consists of dark matter and dark energy.

The fully staffed International Space Station stepped up its life science research today studying a host of space phenomena. Two cosmonauts are also preparing for the 202nd spacewalk at the station late next week.

Inside a laboratory in the Space Station Processing Facility at NASA's Kennedy Space Center in Florida, LED plant growth lights are being checked out on the hardware for the Advanced Plant Habitat flight unit.

The five sunshield layers responsible for protecting the optics and instruments of NASA's James Webb Space Telescope are now fully installed.

On July 5, 2017, NASA's Solar Dynamics Observatory watched an active region -- an area of intense and complex magnetic fields -- rotate into view on the Sun.

Today - Sarcolab-3: With assistance from an operator, RS and USOS crewmembers ingressed the Muscle Atrophy Research & Exercise System (MARES) chair in the Columbus module, installed the Electromyograph and Percutaneous Electrical Stimulation (PEMS) device and adjusted pads and constraints for the Sarcolab-3 knee protocol.

Peggy Whitson @AstroPeggy "638 days in space and the view is still amazing! Soaking up some sunset time in the cupola."

Космонавт Сергей Рязанский: Brukkaros Mountain is an extinct volcano in ǁKaras Region, Namibia.

Scientists are studying our closest Earth-size exoplanet neighbor - Proxima b - to determine if it's habitable.

NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.

NASA Astronaut Randy Bresnik: "Gorgeous moon rise! Such great detail when seen from space. Next [New] moon marks #Eclipse2017. We'll be watching from the International Space Station."

Космонавт Сергей Рязанский: Kronotskaya Sopka, surrounded by clouds of clouds. Many say it is one of the most picturesque volcanoes of the kamchatka province.

From leg muscle scans to observing materials burning at high temperatures, the Expedition 52 crew continued researching what happens when you live in space. The space residents also upgraded electronics gear and installed new science racks.

A dynamic storm at the southern edge of Jupiter's northern polar region dominates this Jovian cloudscape, courtesy of NASA's Juno spacecraft.

The elemental composition of the Sun's hot atmosphere known as the 'corona' is strongly linked to the 11-year solar magnetic activity cycle, a team of scientists from UCL, George Mason University and Naval Research Laboratory has revealed for the first time.

New work offers fresh evidence supporting the supernova shock wave theory of our solar system's origin.

Storm's surprise appearance in area where no such cloud has been seen before

Astrophysicists have a fairly accurate understanding of how the universe ages.

The crew today researched ways to alleviate headaches and reverse bone loss in space to improve mission performance. Meanwhile, the station's three newest residents also checked out station emergency gear and systems.

Сергей Рязанский @SergeyISS Космонавт Сергей Рязанский Когда на нашей планете наступает ночь... Buona notte, Italia!

As NASA's twin Voyager spacecraft were changing our understanding of the solar system, they also spurred a leap in spacecraft communications.

Jack Fischer @Astro2fish "Sometimes you look out the window and it just takes your breath away from how beautiful Earth is. Today is one of those times."

Understanding the history of star formation in the Universe is a central theme in modern astronomy.

Scientists have discovered the strongest evidence to date for a stratosphere on a planet outside our solar system, or exoplanet. A stratosphere is a layer of atmosphere in which temperature increases with higher altitudes.

Expedition 52 is now up to full speed with six crew members. The latest trio from the United States, Italy and Russia arrived Friday afternoon beginning a 4-1/2 month mission in space.

Composite image showing category 3 typhoon Noru in the Philippine Sea, from 06:00 UTC on Monday, 1 August 2017.

Review: "The Sky Below: A True Story of Summits, Space, and Speed" by Scott Parazynski with Susy Flory

A little bit of "scruff" in scientific data 50 years ago led to the discovery of pulsars -- rapidly spinning dense stellar corpses that appear to pulse at Earth.

Randy Bresnik‏@AstroKomrade Super Typhoon #Noru, amazing the size of this weather phenomenon, you can almost sense its power from 250 miles above.

Today - Rodent Research-5 (RR-5) Systemic Therapy of NELL-1 for Osteoporosis: On Sunday the crew completed the first day of bone scans and sampling for RR-5.

After four decades of searching, solar scientists have at long last found evidence of a type of seismic wave in our Sun.