Forty years ago, on January 28, 1986, the nation gathered to watch the Space Shuttle Challenger launch, a historic mission carrying the first "teacher in space," Christa McAuliffe. But 73 seconds into ...

Legendary NASA astronaut Suni Williams, who made headlines after being marooned at the International Space Station for nearly a year, has decided to hang up her space boots for good, the agency ...

NASA’s Mike Fincke has publicly identified himself as the astronaut who had a concerning “medical event” that led to an early exit from the International Space Station.

Add Yahoo as a preferred source to see more of our stories on Google. For Suni Williams, 608 days in space was enough to call it a career. The 60-year-old NASA astronaut who flew on three missions to ...

NASA is changing its plans to return astronauts to the moon, and redrawing the architecture for how the Artemis missions will look moving forward.

NASA has identified astronaut Mike Fincke as the Crew-11 member who had a medical event on the ISS, leading to the outpost's first medical evacuation.

NASA astronaut Suni Williams, who famously stayed in space for an extended nine-month visit after problems with an experimental capsule, has retired after 27 years, NASA said Tuesday. Williams retired ...

The mission will send four non-government astronauts to the orbital outpost for up to two weeks. Vast's mission is scheduled to launch from Florida as early as summer 2027. This will be the sixth ...