
Astronaut Samantha Cristoforetti signs her name around the SpaceX CRS-25 mission insignia sticker on the Harmony module.

Astronaut Bob Hines signs his name around the OFT-2 (Orbital Flight Test-2) mission insignia sticker on the Harmony module.

Astronaut Kjell Lindgren signs his name around the OFT-2 (Orbital Flight Test-2) mission insignia sticker on the Harmony module.

The Soyuz MS-22 crew ship is pictured docked to the Rassvet module as the International Space Station orbited 264 miles…

Astronaut Bob Hines is pictured inside the cupola, the International Space Station's "window to the world," looking at the Earth…

Astronaut Jessica Watkins signs her name around the SpaceX CRS-25 mission insignia sticker on the Harmony module.

Astronomers have found evidence for "missing" mass in the form of gigantic strands, or filaments, of superheated gas.

“A lot of people in similar positions as myself, we struggle a lot with confidence and imposter syndrome – I…

Get a preview of the mission timeline of NASA's Low-Earth Orbit Flight Test of an Inflatable Decelerator, or LOFTID.

"It was magical that I could just tell the computer exactly what to do. And [my career] all came from…