Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

The mission encountered a couple of minor problems ... Then, 36 years later Glenn joined the crew of STS-95 aboard Space Shuttle Discovery. He was 77 years old at the time, giving him an ...

Four-time spaceflight veteran Peggy Whitson had a good excuse for not showing up Saturday for her own induction ceremony to ...

Astronauts Steven Smith and John Grunsfeld, appear as small figures in this wide-angle photograph from December 1999, taken ...

It has been 40 years since NASA launched the first dedicated Department of Defense Space Shuttle mission, after which engineers spotted O-ring seal defficiencies that would doom Challenger a year ...