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 …

2 days ago · 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 …

Jan 9, 2026 · ISS astronaut medical evacuation latest news: Crew-11 astronauts safely back on Earth Thursday, Jan. 15, 2026: Updates on NASA's astronaut medical evacuation from the International …

5 days ago · 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.

3 days ago · An astronaut experienced a medical issue that prompted NASA to end the Crew-11 mission early, a first for the International Space Station. The entire four-person crew returned to Earth in a …

3 days ago · CAPE CANAVERAL, Fla. (AP) — An ailing astronaut returned to Earth with three others on Thursday, ending their space station mission more than a month early in NASA's first medical …

3 days ago · For the 1st time in the history of the International Space Station, an astronaut experienced a health issue that required NASA to end a mission early.

3 days ago · The members of Crew-11 — two American, one Russian and one Japanese — splashed down after one became ill, prompting an early return. By Kenneth Chang An astronaut who …

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" …

As of November 2024, there are 47 active astronauts, 12 management astronauts, and 332 former astronauts or payload specialists, including those who have left NASA, and those who are deceased.