The Soyuz TMA-20 spacecraft is seen as it lands with Expedition 27 Commander Dmitry Kondratyev and Flight Engineers Paolo Nespoli…
Workers remove the payload transportation canister from the Aquarius/SAC-D spacecraft after it was lifted into the mobile service tower at…
Artist's concept of the Aquarius/SAC-D observatory, a collaborative international space mission between NASA and Argentina's space agency, Comision Nacional de…
U.S. Army test pilot Col. Emil "Jack" Kluever in the cockpit of the Apollo-era Lunar Landing Research Vehicle No. 1…
U.S. Army test pilot Col. Emil "Jack" Kluever stands in front of the Apollo-era Lunar Landing Research Vehicle No. 1…
U.S. Army test pilot Col. Emil "Jack" Kluever in the cockpit of the Apollo-era Lunar Landing Research Vehicle No. 1…
On May 21, 2011, Iceland's Grimsvotn Volcano erupted, sending an ash plume 12 miles (20 kilometers) high and closing Keflavik…
NEEMO divers in Superlite helmets - which simulate the helmets of spacesuits - demonstrate tethering to the surface, translation lines,…
Astronaut Andrew Feustel reenters the space station after completing n 8-hour, 7-minute spacewalk at 10:12 a.m. EDT Sunday, May 22,…
This artist concept features NASA's Mars Science Laboratory Curiosity rover, a mobile robot for investigating Mars' past or present ability…
