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 …

1 day ago · Four astronauts are blazing NASA's trail back to the moon. Their mission, which could launch Feb. 8, will take them farther from Earth than humanity has ever gone before.

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 · Astronaut Suni Williams left NASA late last month after 27 years of service. She spent a total of 608 days in space, more than all but one other American astronaut.

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 …

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 …

Aug 12, 2025 · Below is a list of the 24 other astronauts who, like Lovell, hail from Ohio, along with their hometown and most notable achievements. Armstrong became the first person to walk on the Moon …

Oct 23, 2023 · An astronaut’s job is complex, demanding, and ultimately, inspiring. But what do astronauts really do? Let’s journey beyond Earth’s atmosphere and dive into the complicated life of an...

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