Commercial space station developer Vast has hired another former NASA astronaut as the company delays the launch of its first station.

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

NASA's Suni Williams, who spent over 280 days stranded in space during Boeing Starliner's failed test flight, announced her retirement from the agency.

A NASA astronaut on the ISS captured the Space Launch System rocket for Artemis 2, a mission that aims to bring four astronauts around the moon as soon as Feb. 6.

A major change from the 25-day Artemis I mission in 2022 is the path the crew will take. Artemis II will use what NASA calls a "free return trajectory," which means once Orion heads toward the moon, gravity from Earth and the moon will naturally bend the spaceship's course back home, even if later engine burns fail.

Families of the astronauts lost in the space shuttle Challenger accident gathered back at the launch site Thursday to mark that tragic day 40 years ago. All seven on board were killed when Challenger broke apart following liftoff on Jan.

Memoir to be released in March recounts aspects of Wilmore's unexpected 286-day mission to the International Space Station.

Astronauts of the future may be radically different from the rest of us in physiology and psychology. So, to what extent might they resemble or represent ordinary humans?