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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 …

  2. Astronauts - NASA

    6 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 …

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

    3 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 …

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

    Nov 28, 2025 · Astronaut, designation, derived from the Greek words for ‘star’ and ‘sailor,’ commonly applied in the West to an individual who has flown in outer space. As of 2022, 587 …

  5. Who is Peggy Whitson? Record-holding astronaut leads Axiom 4 …

    Jun 25, 2025 · Iowa astronaut Peggy Whitson is back in space, this time as the leader of the Axiom Mission 4 to the International Space Station.

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

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

  7. 15 Famous Astronauts Who Expanded Our Universe

    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 …

  8. Watch 3 astronauts land on Earth aboard Russian spacecraft early …

    5 days ago · NASA astronaut Jonny Kim (left) and cosmonauts Sergey Ryzhikov and Alexey Zubritsky pose in front of their Soyuz spacecraft before their April 2025 launch to the …

  9. 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.

  10. Meet Four Women Astronauts From Across NASA’s History

    Dec 4, 2025 · A new book explores the experiences of all 61 U.S. women astronauts Valerie Neal NASA astronaut and Expedition 64 Flight Engineer Kate Rubins sequences DNA aboard the …