Sierra Space’s Dream Chaser spacecraft has taken a significant step toward operational missions. The uncrewed spaceplane ...

Milestones like Sierra Space’s Joint Test 10B are needed to confirm Dream Chaser’s “ability to handle specialized payloads ...

This is the story of how the Space Shuttle was used to build the International Space Station.

The Cupola, delivered with the Tranquility Module (AKA Node 3), was carried to orbit as a payload on STS-130, flown by Space ...

NASA's stranded astronauts have made a desperate plea from the International Space Station (ISS), following news of an early return to Earth. Sunita Williams, 59, and Butch Wilmore, 62 ...

For millions, it was an event that would be seared into their memories for the rest of their lives – on par with the Kennedy assassination and 9/11.

On Feb. 8, 2010, space shuttle Endeavour began its 24th trip into space, on the 20A assembly mission to the International ...

The two NASA astronauts who have been stuck at the International Space Station may be able to return to Earth sooner than expected. In a Tuesday press release, NASA said that SpaceX would switch ...

The two stranded NASA astronauts are set to return from the International Space Station (ISS) earlier than planned, following a crucial decision by NASA and SpaceX to expedite their journey back.

Space shuttle Discovery and its seven-member crew lifted off from NASA’s Kennedy Space Center at 7:43 p.m. EDT Sunday to deliver the final set of power-generating solar array wings and a new ...