A group of four NASA astronauts are set to blast off on a historic mission, dubbed Artemis II, as soon as February 6 ...

NASA has launched a two-day countdown rehearsal for its next lunar mission, aiming to send astronauts around the Moon for the ...

"I hope they forget all about Artemis 2," Koch told Bill Whitaker of CBS' "60 Minutes," which aired a piece about the mission on Sunday night (Feb. 1). "I think that's a little bit extreme, but we ...

Jan. 27 is a dark day in the world of space exploration. It’s the anniversary of the Apollo 1 fire that killed three NASA ...

Sign up for CNN Science’s pop-up newsletter covering NASA’s Artemis II mission, which will take four astronauts on a 10-day journey around the moon and back.

Astronaut Suni Williams left NASA late last month after 27 years of service. She spent a total of 608 days in space, more ...

NASA astronaut Sunita Williams has retired after a landmark 27-year career, capping her journey with 608 days in space and ...

NASA's space shuttle Challenger completed 10 missions before it broke apart during a launch in 1986, killing seven astronauts ...

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

NASA astronaut Suni Williams has retired after a legendary 27-year career that included 608 days in space, nine spacewalks, and two stints commanding the International Space Station.