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 …

16 hours ago · Friday, Jan. 9, 2026: Updates on NASA's astronaut medical evacuation from the International Space Station.

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.

1 day 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.

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 …

NASA has 10 new astronauts chosen from more than 8,000 applicants. Six of them are women, the first time in NASA history that an incoming astronaut class is mostly female.

1 day ago · NASA has announced the early return of Crew-11 from the International Space Station after an unidentified astronaut experienced a medical problem.

1 day ago · Nasa orders first-ever space station medical evacuation after astronaut falls ill Agency says US-Japanese-Russian crew of four will return to Earth in the coming days, earlier than planned Oliver ...

The meaning of ASTRONAUT is a person whose profession is to travel beyond the earth's atmosphere; broadly : any person who travels beyond the earth's atmosphere.

Apr 25, 2025 · Some brave explorers travel across oceans; others blast off into space. This list of famous astronauts celebrates the pioneers of space exploration — those who took "one giant leap" …