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 …

Dec 17, 2025 · 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 …

Dec 8, 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 orbit and …

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.

Astronauts have always captured our imagination, venturing beyond the familiar and into the great unknown. Their missions have challenged the limits of human potential and paved the way for …

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 …

Mar 19, 2025 · NASA astronaut Sunita Williams is back on Earth after being stuck in space for the last nine months.

Dec 17, 2025 · Astronaut Jonny Kim has returned to Earth after 245 days aboard the International Space Station. He, along with Russian Cosmonauts Sergey Ryzhikov and Alexey Zubritsky, …

The NASA Astronaut Corps is a unit of the United States National Aeronautics and Space Administration (NASA) that selects, trains, and provides astronauts as crew members for U.S. …