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 …

1 day 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.

6 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 International …

1 day ago · Four astronauts splashed down in the Pacific Ocean as they return early from the International Space Station due to a crew member’s medical issue.

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 …

2 days 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.

1 day ago · Live Updates: Astronauts Head Home After Space Station Medical Evacuation Two Americans and astronauts from Japan and Russia are set to splash down in the Pacific Ocean after …

22 hours ago · An ailing astronaut returned to Earth with three others ending their space station mission more than a month early in NASA’s first medical evacuation.

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.

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" …