
Astronaut Rick Mastracchio works with a pair of basketball-sized, free-flying satellites known Synchronized Position Hold, Engage, Reorient, Experimental Satellites, or…

Astronaut Rick Mastracchio works with a pair of basketball-sized, free-flying satellites known Synchronized Position Hold, Engage, Reorient, Experimental Satellites, or…

Astronaut Koichi Wakata wears the Penguin-3 antigravity pressure/stress suit in the Kibo laboratory.

NASA Astronaut Joe Acaba moderates a panel discussion with NASA's 2013 astronaut candidates on Wednesday, Jan. 29, 2014.

APOD Science APOD APOD: 2014 January 29 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …

Michael Martin, an InfoPro Corp. employee supporting Marshall's Test Laboratory, installs a leak check fixture on one of the liquid…

A 5-percent scale model of the Space Launch System (SLS) is ignited for five seconds to measure the affects acoustic…

NASA's NEOWISE mission captured images of comet C/2013 A1 Siding Spring, which is slated to make a close pass by…

APOD Science APOD APOD: 2014 January 28 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …

In June 1966, the Apollo 1 crew practices water egress procedures with a full scale boilerplate model of the spacecraft.…