About 645,000 results
Open links in new tab
  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

    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 to those from …

  4. 15 Famous Astronauts Who Expanded Our Universe - HowStuffWorks

    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" …

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

    Dec 10, 2025 · 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 …

  6. 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.

  7. 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).

  8. 6 women, 4 men among new NASA class of astronauts. Who they are

    Sep 23, 2025 · Chosen from more than 8,000 applicants, the incoming astronaut class includes test pilots, engineers and scientists – including one woman who, significantly, has already spent time in …

  9. 13 Most Famous Astronauts - Have Fun With History

    Jan 9, 2024 · In this article, we delve into the lives and achievements of some of the most famous astronauts in history.

  10. 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 …