
NASA Dryden meteorologists Fran Houtas and Scott Wiley prepared to launch a weather balloon next to a SODAR unit.

NASA research pilot Nils Larson and flight engineer Mike Holtz discussed last-minute preparations before a SCAMP flight.

Expedition 28 crew members-Flight Engineer Satoshi Furukawa, left, Soyuz commander Sergei Volkov, center, and Flight Engineer Mike Fossum-answer reporters’ questions…

Because of the absence of gravity, fuels burning in space behave very differently than they do on Earth. In this…

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 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…

U.S. Army test pilot Col. Emil “Jack” Kluever in the cockpit of the Apollo-era Lunar Landing Research Vehicle No. 1…