Four astronauts preparing for an extended stay in space have started quarantine as they get ready for their next big mission.

NASA's Suni Williams — one of two astronauts stuck for months at the International Space Station — has retired.

NASA delayed the first human moon mission in more than 50 years for another month. The good news? SpaceX Crew-12 could now ...

International Space Station, where astronauts have lived and worked for 25 years, is visible to us on Earth. How to see it ...

The Lunar Gateway is a planned space station that will orbit the moon. It is part of the NASA‑led Artemis program. Artemis ...

NASA’s SpaceX Crew-11 mission returned safely to Earth after 167 days in orbit, completing hundreds of hours of research aboard the International Space Station.

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 particular piece of equipment "came in super handy." The post Astronauts Give Crucial Clue About NASA’s Emergency Space ...

NASA astronaut Suni Williams, who famously stayed in space for an extended nine-month visit after problems with an ...

The House Science Committee unanimously approved a NASA authorization bill Feb. 4 after adopting dozens of amendments.

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