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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. Astronaut | Definition, Facts, & Training | Britannica

    5 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 …

  3. 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.

  4. 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.

  5. Jared Isaacman is confirmed as NASA chief, a year later : NPR

    4 days ago · "Jared's passion for Space, astronaut experience, unlocking the mysteries of the universe, and advancing the new Space economy, make him ideally suited to lead NASA into a bold new Era," …

  6. Become An Astronaut - NASA

    Sep 4, 2024 · NASA astronauts have been traveling to space for more than six decades and living there continuously since 2000. Now, NASA’s Artemis program is preparing to land the first woman and the …

  7. Astronaut - New World Encyclopedia

    NASA applies the term astronaut to any crew member aboard NASA spacecraft bound for Earth orbit or beyond. NASA also uses the term as a title for those selected to join its Astronaut Corps.

  8. Astronauts | Encyclopedia.com

    May 23, 2018 · An astronaut is a person trained to perform a specific task on a craft designed and intended to travel beyond Earth 's atmosphere. The term "astronaut" derives from the Greek words …

  9. Astronaut Jonny Kim Returns to Earth After 245 Days Aboard the ...

    5 days ago · Astronaut Jonny Kim has returned to Earth after 245 days aboard the International Space Station. He, along with Russian Cosmonauts Sergey Ryzhikov and Alexey Zubritsky, landed safely in …

  10. First wheelchair-using astronaut touches down after ride to edge of ...

    1 day ago · First wheelchair-using astronaut touches down after ride to edge of space Michaela Benthaus from Germany soared 65 miles above the Earth’s surface in 10-minute Blue Origin flight …

  11. NASA Astronaut Corps - Wikipedia

    The NASA Astronaut Corps is a unit of the United States National Aeronautics and Space Administration (NASA) that selects, trains, and provides astronauts as crew members for U.S. and international …

  12. World’s most powerful space camera captures universe from Chile

    Jun 28, 2025 · Springfield News-Sun CANAVERAL, (AP) — The first astronauts in more than 40 years from , and arrived at the on Thursday, ferried there by SpaceX on a private flight. The crew of four …

  13. Big Rockets, a Big Telescope and Big Changes in Space Await in 2025

    Jan 1, 2025 · A member of the nation’s astronaut corps, Shubhanshu Shukla, is to spend up to 14 days this spring aboard the International Space Station during a commercial mission with the company …

  14. Astronaut - Training, Spacecraft, Preparation | Britannica

    5 days ago · What does it take to become an astronaut? Erik Gregersen, astronomy and space exploration editor at Encyclopædia Britannica, explaining how to become an astronaut and what …

  15. NASA is hiring astronauts; do you qualify? Here's how to apply

    Mar 6, 2024 · NASA posted a new job listing for selecting future astronauts, but applicants need to meet specific qualifications before they get the job.

  16. Active Astronauts - NASA

    Nov 25, 2025 · Alan B. Shepard, Jr. was the first American in space. Neil Armstrong was the first man to walk on the moon. John H. Glenn, Jr. was the first American to Orbit the Earth. Sally K. Ride was the …

  17. Astronaut - Pioneers, Explorers, Heroes | Britannica

    Nov 28, 2025 · Achieving spaceflight enabled humans to begin to explore the solar system and the rest of the universe, to understand the many objects and phenomena that are better observed from a …

  18. World’s Largest Camera for Astronomy Reaches Chilean Mountaintop

    Jun 9, 2024 · It will take pictures of the sky for 10 years producing a huge database of information about all parts of the sky that can be seen from Chile. Corder said one of the goals of the exploration will...

  19. Astronaut Fact Book - NASA

    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.

  20. Astronauts and their training programs | Britannica

    astronaut, Person trained to pilot a spacecraft, operate any of its systems, or conduct research aboard it during spaceflights.

  21. Astronaut | SpaceNext50 | Encyclopedia 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, astronauts are those persons from the …

  22. 2025 Space and Astronomy Events Calendar - The New York Times

    Jan 1, 2025 · A member of the nation’s astronaut corps, Shubhanshu Shukla, is to spend up to 14 days this spring aboard the International Space Station during a commercial mission with the company …

  23. NASA Astronaut Jonny Kim, Crewmates Return from Space Station

    Dec 9, 2025 · NASA astronaut Jonny Kim returned to Earth on Tuesday alongside Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritsky, wrapping up an eight-month science mission …

  24. Astronauts Archives - NASA Science

    NASA astronaut Chris Williams shares his journey exploring the early universe, cancer treatment techniques, and astronaut training before his first…

  25. NASA: Artemis II Crew

    Apr 5, 2023 · Meet the astronauts who will venture beyond the Moon on Artemis II, flying farther into space than any humans ever have before and paving the way for future lunar surface missions.

  26. Chronology of Notable Astronauts - Encyclopedia Britannica

    More specifically, astronauts are those persons who went to space aboard a U.S. spacecraft; individuals who first traveled aboard a spacecraft operated by the Soviet Union or Russia are known as …