This claim was, in fact, true. McCandless was, indeed, the first astronaut to perform an untethered spacewalk on Feb. 7, 1984 ...

She was the first person to become an astronaut under the Aussie flag. So we asked this trailblazer everything.

Astronaut and CU Boulder alum Sarah Gillis will speak at CU Boulder from 3:30 to 5 p.m. Monday at Fiske Planetarium, 2414 ...

Recently released photographs show the 59-year-old space traveller extremely ... it is a priority to help it stabilize the ...

Samantha Harvey's Booker Prize shortlisted novel Orbital is set inside an International Space Station-like vessel circling 250 miles above Earth. It looks at a day-in-the-life of the crew, ...

NASA astronaut Jamin Moghbeli spoke to students from Freeport, Franklin Square and Uniondale on Thursday at the Cradle of Aviation Museum.

Be wowed by a beautiful space view of star trails captured in a long-exposure image from the International Space Station.

Earth's city lights streak by in this long-exposure photo taken by NASA astronaut Don Pettit on Oct. 24, 2024. The green glow ...

NASA astronaut Don Pettit already has a long-held reputation for creating stunning space photography, and his latest effort ...