An astronaut (from the Ancient Greek ἄστρον (astron), meaning 'star', and ναύτης (nautes), meaning 'sailor') is a person trained, equipped, and deployed by a human spaceflight program …

Dec 17, 2025 · astronaut, designation, derived from the Greek words for “star” and “sailor,” commonly applied to an individual who has flown in outer space. More specifically, in the …

Dec 8, 2025 · The term “astronaut” derives from the Greek words meaning “star sailor,” and refers to all who have been launched as crew members aboard NASA spacecraft bound for orbit and …

2 days ago · ISS astronaut medical evacuation latest news: Crew-11 pilot to hand control of station over today Monday, Jan. 12, 2026: Updates on NASA's astronaut medical evacuation …

15 hours ago · Four astronauts on the Crew-11 mission will depart the International Space Station as early as Wednesday on NASA's 1st medical evacuation.

4 days ago · NASA announced it's ending a mission to the International Space Station early because of a medical situation involving one of the astronauts aboard the station.

4 days ago · The astronaut's "medical incident was sufficient enough," he said, that NASA decided to bring Crew-11 back early due to "lingering risk." The Crew-11 astronauts' return …