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  1. 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 to serve as a …

  2. 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 beyond.

  3. Astronaut | Definition, Facts, & Training | Britannica

    Nov 28, 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 …

  4. NASA astronaut back on Earth after 8 months on space station

    5 days ago · NASA astronaut Jonny Kim flew home with two Roscosmos cosmonauts from the International Space Station packed tight in their Soyuz spacecraft landing in the frozen steppes of …

  5. 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.

  6. Watch 3 astronauts land on Earth aboard Russian spacecraft early Dec. 9

    Dec 8, 2025 · NASA's Jonny Kim and two cosmonauts are scheduled to land just after midnight on Tuesday (Dec. 9). Three astronauts will come back to Earth early Tuesday morning (Dec. 9), and …

  7. Watch: Nasa astronaut and Roscosmos cosmonauts return to Earth

    6 days ago · Nasa's Jonny Kim and cosmonauts Sergey Ryzhikov and Alexey Zubritsky have touched down in Earth after 245 days on the ISS.

  8. ASTRONAUT | definition in the Cambridge English Dictionary

    Many early achievements were Russian, such as the first rocket to orbit the Earth (1957), the first astronaut (Yuri Gagarin, 1961), and the first woman in space (Valentina Tereshkova, 1963).

  9. What does an astronaut do? - CareerExplorer

    What is an Astronaut? An astronaut is selected and employed by NASA (National Aeronautics and Space Administration) to participate in space exploration missions. Astronauts undergo rigorous …

  10. NASA introduces its latest astronaut class | AP News

    CAPE CANAVERAL, Fla. (AP) — NASA introduced its newest astronauts Monday, 10 scientists, engineers and test pilots chosen from more than 8,000 applicants to help explore the moon and …