Just by determining how circular a given crater is – using pi and the crater’s perimeter and area – planetary geologists can reveal clues about how the crater was formed and the surface that was impacted.
Running a Real-Time Simulation of Go-No-Go for Apollo 17
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Not everyone gets to become a part of history, but mathematician Billie Robertson is one of the lucky ones. In this image taken on Nov. 27, 1972, she was running a real-time simulation of Translunar Injection (TLI) Go-No-Go for the Apollo 17 lunar landing mis
The crew aboard the International Space Station have grown two batches of mixed greens (mizuna, red romaine lettuce and tokyo bekana cabbage), and are now running two Veggie facilities simultaneously.
Known as the 'Mother of Hubble,' Nancy Grace Roman is shown here at the Yerkes Observatory, University of Chicago in 1948, where she was studying for her doctorate in astronomy.
Structural Test Version of the Intertank for NASA's New Deep Space Rocket
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The intertank is the second piece of structural hardware for the massive Space Launch System core stage, built at NASA's Michoud Assembly Facility in New Orleans and delivered to Marshall Space Flight Center for testing.
This image was originally meant to track the movement of sand dunes near the North Pole of Mars, but what's on the ground in between the dunes is just as interesting!
Astronauts Joan Higginbotham (foreground) and Suni Williams refer to a procedures checklist as they work the controls of the Canadarm2, in this 2006 image.
Next-Generation Weather Satellite GOES-S Lifts Off
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A ULA Atlas V rocket lifts off from Space Launch Complex 41 at Cape Canaveral Air Force Station carrying the NOAA Geostationary Operational Environmental Satellite, or GOES-S. Launch was at 5:02 p.m. EST, March 1, 2018. GOES-S is the second satellite in a ser
The Geostationary Operational Environmental Satellite (GOES-S) satellite sits on the launch pad at Space Launch Complex 41, Cape Canaveral Air Force Station, backdropped by the setting Sun. GOES-S is slated to lift off on March 1 at 5:02 p.m. EST.
Soyuz With Expedition 54 Trio Aboard Returns to Earth
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The Soyuz MS-06 spacecraft is seen as it lands with Expedition 54 crew members Joe Acaba and Mark Vande Hei of NASA and cosmonaut Alexander Misurkin near the town of Zhezkazgan, Kazakhstan on Wednesday, Feb. 28, 2018 (February 27 Eastern time).
Portrait of the Expedition 54 Crew on the Space Station
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The six-member Expedition 54 crew poses for a lighthearted crew portrait inside the Japanese Kibo laboratory module on Feb. 18, 2018. Three of the crew members are packed up and prepared to return to Earth today, Tuesday, Feb. 27.
Though sea ice has been significantly below normal extent and thickness across much of the Arctic, the ice in the Labrador Sea has been relatively close to normal.
Robert Lawrence: America's First African-American Astronaut
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On June 30, 1967, the U.S. Air Force selcted Maj. Robert H. Lawrence, Jr. for the Manned Orbiting Laboratory, Authorized in August 1965, a program which envisioned a series of mini-space stations in low polar Earth orbit.
A technician works on the European Service Module that will propel the Orion spacecraft in space and provide air, water and electricity for future crews.
In June 1975, Marshall management named Clyde Foster to the position of director of the Equal Opportunity Office where he directed and administered a comprehensive program to assure equal opportunity in the conduct of all operations undertaken by the Center a
Since the Winter Olympics were first held in 1924, they only have been hosted twice in Asia, both times in Japan. This year the games will find a new home in South Korea, in the northeastern cities of Pyeongchang and Gangneung, visible in this natural-color i
Layers, probably sedimentary in origin, have undergone extensive erosion in this image from NASA's Mars Reconnaissance Orbiter (MRO) of Shalbatana Valles, a prominent channel that cuts through Xanthe Terra.
Astronaut Mark Vande Hei took this image of the eastern U.S. and Canada at night, writing, «Good night from @Space_Station. DC, NY, Toronto, Cleveland, and surrounding areas!»
International Space Station Transits the Full Moon
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The International Space Station, with a crew of six onboard, is seen in silhouette as it transits the moon at roughly five miles per second on Tuesday, Jan. 30, 2018.
Dr. Lonnie Reid had a long and storied career at NASA's Glenn Research Center. His expertise in the internal flow of advance aerospace propulsion systems was nationally recognized and he was influential in recruiting and mentoring the next generation of scien
Taken from inside Chamber A at the Johnson Space Center in September 2017, this image shows the James Webb Space Telescope as it was undergoing cryogenic testing and the temperature was approximately -369.7 degrees Fahrenheit.
This image of Jupiter’s swirling south polar region was captured by NASA’s Juno spacecraft as it neared completion of its tenth close flyby of the gas giant planet.
On Jan. 9, 1969, NASA announced the prime crew of the Apollo 11 lunar landing mission. This portrait was taken on Jan. 10, the day after the announcement of the crew assignment. From left to right are lunar module pilot Buzz Aldrin, commander Neil Armstrong;
