NASA astronauts Nichole Ayers and Anne McClain complete egress of the International Space Station during a spacewalk mission.

Chinese astronauts on a mission to set up the Tiangong space station have completed a successful spacewalk, the second for ...

And although Hippie Hill is not a city-sanctioned event, it doesn't mean the festivities are on pause. Here's how San ...

The Shenzhou XXI mission crew aboard China's Tiangong space station completed their third spacewalk early on Friday morning, ...

The Expedition 69 crewmates will attach three debris shields and test a work platform during the seven-hour spacewalk.

Shenzhou-21 astronauts complete third spacewalk, mission extended by a month China’s Shenzhou-21 astronauts conducted an ...

The Shenzhou XXI mission crew aboard China's Tiangong space station completed their third spacewalk early on Friday morning, ...

NASA is apparently pretty serious about building a base on the Moon, and the astronauts who just flew there say it is ...

Plenty of images from space exploration tread a fine line between spine-chilling and awe-inspiring, but this footage of NASA ...

Russian cosmonauts venture outside the International Space Station to attach debris shields to the Rassvet module.

It established under a decree by the USSR Supreme Soviet of April 9, 1962 in honor of the world’s first space flight by a Soviet citizen ...

The Grand Rapids native returned to earth with NASA astronauts Reid Wiseman and Victor Glover as well as Canadian Space ...