This space wallpaper is an artist's concept depicting NASA's Voyager 1 spacecraft entering interstellar space, or the space between stars.

This space wallpaper taken by NASA's Curiosity shows what lies ahead for the rover, its main science target, Mount Sharp.

NASA is evaluating apparently successful efforts by Russian cosmonauts aboard the International Space Station to seal up small-but-persistent air leaks in a vestibule leading to an aft docking ...

Don Pettit marked his 70th birthday on April 20 by plunging through the atmosphere in a Russian Soyuz capsule to wrap up a seven-month mission at the International Space Station.