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 as a …

5 days ago · 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.

4 days ago · 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 refers …

5 days ago · The crew will replace a team that evacuated the space station due to a medical emergency in January.

Sep 22, 2025 · NASA announced its first new astronaut class in four years, selecting ten candidates from over 8,000 applicants.

6 days ago · A SpaceX capsule carrying four astronauts arrived at the International Space Station on Saturday, bringing the orbiting laboratory back to full staff after a month of operating with a skeleton ...

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

Learn who astronauts are and what they do in space and on Earth.

Jan 14, 2026 · ISS astronaut medical evacuation latest news: Crew-11 astronauts safely back on Earth Thursday, Jan. 15, 2026: Updates on NASA's astronaut medical evacuation from the International …

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 …