For the 1st time in the history of the International Space Station, an astronaut experienced a health issue that required NASA to end a mission early.

(CNN) — Four astronauts aboard a SpaceX Crew Dragon capsule splashed down early Thursday in the Pacific Ocean, ending a weeklong effort to get an unnamed crew member home to evaluate a medical issue ...

Four astronauts are scheduled to launch on a trip to fly around the Moon as early as Feb. 6 in the Orion spacecraft.

Former NASA astronaut Mike Massimino joins TODAY to give context and provide insight into the unprecedented evacuation of Crew-11 from space after a medical emergency. Massimino discusses what might ...

BEIJING (AP) — Three Chinese astronauts returned from their nation's space station Friday after more than a week's delay because the return capsule they had planned to use was damaged, likely from ...

Rookie NASA astronaut Jack Hathaway is about to change that. Acting as pilot on this week’s planned launch of the SpaceX Crew ...

The Artemis II mission, which will return US astronauts to lunar space, has run into problems that have critics demanding ...