Astronaut - Wikipedia
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 to serve as a …
Astronaut | Definition, Facts, & Training | Britannica
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 West, astronaut refers …
Astronauts - NASA
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 beyond.
NASA Will Bring I.S.S. Astronauts Home Early After Medical ...
3 days ago · After canceling a spacewalk planned for Thursday, the space agency’s administrator said it was erring on the side of caution and bringing a crew of four home in the coming days.
NASA considers rare early ISS crew return due to astronaut's ...
3 days ago · NASA is considering a rare early return of its crew from the International Space Station over an unspecified medical issue involving one of the astronauts, after cancelling a planned …
NASA crew to make rare early return after medical issue at ...
4 days ago · A group of astronauts will return from the International Space Station more than a month ahead of schedule after an unnamed crew member experienced a medical issue.
NASA to bring space station astronauts back to Earth early
3 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 was planned for …