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.

ASTRONAUT definition: 1. a person who has been trained for travelling in space 2. a person who has been trained for…. Learn more.

1 day ago · China’s Shenzhou-21 space rocket and its crew including the youngest member of its astronaut corps blasted off on Friday atop a Long March-2F rocket from the Jiuquan Satellite …

2 days ago · astronaut (plural astronauts) A member of the crew of a spaceship or other spacecraft that travels beyond Earth's atmosphere, or someone trained to serve that purpose.

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 …

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 …

Jan 9, 2024 · In this article, we delve into the lives and achievements of some of the most famous astronauts in history.