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 …

Jan 19, 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 refers …

Jan 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.

Jan 21, 2026 · Buzz Aldrin, the second man and only one of 12 to ever walk on the moon, turns 96 today. He's just one of four living moonwalkers and the oldest remaining astronaut still making trips …

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 22, 2026 · NASA astronaut Suni Williams has retired after 27 years of service and a career defined by endurance, leadership, and firsts in space. She spent 608 days in orbit, completed nine …

14 hours ago · Jeremy Hansen will be the first non-American to fly to the moon — and will make Canada only the second country in the world to send an astronaut into deep space.

Sep 4, 2024 · NASA astronauts have been traveling to space for more than six decades and living there continuously since 2000. Now, NASA’s Artemis program is preparing to land the first woman and the …

This article lists the birthplaces of astronauts from the United States ' space program and other space travelers born in the United States or holding American citizenship. Space travelers who did not work …

Dec 8, 2025 · Ten crewed flights in 20 months demonstrated astronauts’ abilities to rendezvous and dock two spacecraft; start, stop, and restart rocket engines; function productively outside a …