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 …
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 …
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.
LA-born NASA astronaut Jonny Kim returns to Earth after 245 ...
8 hours ago · NASA astronaut Jonny Kim, who was born and raised in Los Angeles, returned to Earth Tuesday after 245 days in space.
Watch 3 astronauts land on Earth aboard Russian spacecraft ...
1 day 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 …