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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. Astronaut | Definition, Facts, & Training | Britannica

    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 …

  3. ISS astronaut medical evacuation latest news: Crew-11 ...

    5 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 …

  4. Astronauts leave space station in NASA's first medical ...

    15 hours 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.

  5. 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 …

  6. Sick astronaut, rest of crew to undock from ISS, NASA says

    1 day ago · Sick astronaut, rest of crew undock from ISS ahead of expected return to Earth, NASA says Crew-11 is expected to splash down off the coast of California Thursday morning.

  7. Live Updates: Astronauts Head Home After Space Station ...

    7 hours 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 …