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

Pontiac-based program relied on big cubic inches to help usher America’s nascent shuttle design into the later space age.

Watch as the International Space Station takes shape in this time-lapsed NASA animation of its decade-long assembly, which began in 1998. Also, see a time-lapsed flyaround of the orbital outpost ...

I think space is in a similar situation,” Josef Aschbacher, director general of the European Space Agency, told The Big ...

Low clouds may have spoiled the view from the ground, but a Falcon 9 set a new record early Saturday as SpaceX pushes ...