
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 …
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 West, astronaut refers …
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.
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.
NASA introduces its latest astronaut class | AP News
Sep 22, 2025 · NASA has 10 new astronauts chosen from more than 8,000 applicants. Six of them are women, the first time in NASA history that an incoming astronaut class is mostly female.
Complete List of Astronauts | NASA & Global Space Explorers
Discover a definitive list of astronauts from NASA, ESA, Roscosmos, and more. Explore bios, mission details, and careers of global space explorers, past and present. Your ultimate resource for astronaut …
Amanda Nguyen: Blue Origin astronaut reveals depression after space ...
3 days ago · Blue Origin's all-female crew, which included scientist Amanda Nguyen, was launched into space in April.
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.
Astronaut Sunita Williams on 9-Month Stay in Space, Retirement …
Sep 13, 2025 · NASA astronaut Sunita Williams opens up to PEOPLE about spending 9 months in space, what she missed the most and her tentative plans to retire.
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.