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 …

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 …

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.

2 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.

1 day ago · ISS astronaut medical evacuation latest news: SpaceX readies Dragon spacecraft for Crew-11 return to Earth Saturday, Jan. 10, 2026: Updates on NASA's astronaut medical evacuation from …

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" …

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 20, 2025 · Who is currently in space? Mike Melvill - first astronaut to fly in a privately financed spacecraft. This section of the World Space Flight family is dedicated to short biographies and flight …

Dec 23, 2025 · Alan B. Shepard, Jr. was the first American in space. Neil Armstrong was the first man to walk on the moon. John H. Glenn, Jr. was the first American to Orbit the Earth. Sally K. Ride was the …

1 day ago · NASA to Bring ISS Crew Home Early Because of an Astronaut’s Health Issue, Marking the First Medical Evacuation of the Spacecraft The unnamed crew member is in stable condition after an ...