On July 7, 1961, the U.S. Air Force launched a satellite called Discoverer 26 into orbit with a classified payload.

The Russian Progress MS-28 freighter docked with the International Space Station. It is carrying nearly three tons of food, ...

NASA's Lucy mission captured the highest resolution image yet of Donaldjohanson, the uniquely shaped asteroid.

NASA's retired Space Shuttle Discovery could be on the move from Virginia to Texas under a provision in the GOP's so-called ...