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
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 individuals from …
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 beyond.
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 steppes of …
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" …
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.
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 International …
NASA Astronaut Jonny Kim, Crewmates Return from Space Station
5 days ago · NASA astronaut Jonny Kim returned to Earth on Tuesday alongside Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritsky, wrapping up an eight-month science mission …
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 …
Watch 3 astronauts land on Earth aboard Russian spacecraft early Dec. 9
6 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 International Space Station.