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 …

Feb 15, 2026 · astronaut, designation, derived from the Greek words for “star” and “sailor,” commonly applied to an individual who has flown in outer space. More specifically, in the West, astronaut …

Feb 14, 2026 · 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.

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" …

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

1 day ago · NASA will provide live coverage as two American astronauts are due to spend hours Wednesday, March 18, on a spacewalk outside the ISS.

NASA applies the term astronaut to any crew member aboard NASA spacecraft bound for Earth orbit or beyond. NASA also uses the term as a title for those selected to join its Astronaut Corps.

May 23, 2018 · An astronaut is a person trained to perform a specific task on a craft designed and intended to travel beyond Earth 's atmosphere. The term "astronaut" derives from the Greek words …

STS-107: Taken is the time from launch until loss of contact.

Mar 11, 2026 · Astronaut safety and delays were top concerns in a new audit of NASA's plans to use either SpaceX's Starship or Blue Origin's Blue Moon lunar landers on future Artemis missions, …