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 …
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 …
Astronauts - NASA
Nov 28, 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 …
LA-born NASA astronaut Jonny Kim returns to Earth after 245 …
6 hours ago · NASA astronaut Jonny Kim, who was born and raised in Los Angeles, returned to Earth Tuesday after 245 days in space.
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.
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 …
Meet Four Women Astronauts From Across NASA’s History
5 days ago · 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 …
Astronaut and cosmonauts land on Russian Soyuz after 8-months …
1 day ago · NASA astronaut Jonny Kim and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritsky landed on Russia's Soyuz MS-27 after 245 days on the International Space …
NASA astronaut back on Earth after 8 months on space station
12 hours ago · NASA astronaut Jonny Kim flew home from the International Space Station alongside two Roscosmos cosmonauts landing in the frozen steppes of Kazakhstan on …
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. …