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 …

Oct 1, 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 …

Sep 22, 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 …

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.

Sep 22, 2025 · NASA on Monday introduced the 10 people who will join the agency’s astronaut corps as it races to return humans to the moon.

Sep 22, 2025 · NASA revealed the members of its 2025 astronaut class, the 24th group in the agency's history — some of whom may be among the first people to set foot on Mars.

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 …

This is an alphabetical list of astronauts, people selected to train for a human spaceflight program to command, pilot, or serve as a crew member of a spacecraft. For a list of everyone who has …

Sep 23, 2025 · The new selection of NASA astronauts will spend two years in training before becoming eligible for flight assignments.

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 …