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 …
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 …
Astronauts leave space station in NASA's first medical evacuation
10 hours ago · An astronaut in need of medical care is on the way back to Earth. The ailing astronaut departed the International Space Station with three crewmates on Wednesday.
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 …
ISS astronaut medical evacuation latest news: Crew-11 astronauts …
5 days ago · ISS astronaut medical evacuation latest news: Crew-11 astronauts to undock from station Wednesday, Jan. 14, 2026: Updates on NASA's astronaut medical evacuation from the …
Sick astronaut, rest of crew to undock from ISS, NASA says
1 day ago · Sick astronaut, rest of crew undock from ISS ahead of expected return to Earth, NASA says Crew-11 is expected to splash down off the coast of California Thursday morning.
4 astronauts are en route home from ISS after medical issue ... - CNN
8 hours ago · Four astronauts are set to splash down in the Pacific Ocean as they return early from the International Space Station due to a crew member’s medical issue.
NASA latest: Evacuation from space after astronaut suffers …
18 hours ago · NASA is bringing home an astronaut with a "serious medical condition" from the International Space Station. All four members of the SpaceX Crew-11 mission are returning to …
NASA to bring Crew-11 home from space for medical reasons : NPR
22 hours ago · In an unprecedented move, NASA is bringing an astronaut crew home early from the International Space Station because one astronaut has an undisclosed medical condition.
ASTRONAUT Definition & Meaning - Merriam-Webster
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.