NASA - National Aeronautics and Space Administration

"I told you so, but no one wanted to listen to me. NASA's DART rocket lifted off today! It's going to do a little BAYHEM in...

The series about the original seven astronauts who flew for Project Mercury will stream in late 2020.

Officials announced the postponement less than 24 hours before Mark Vande Hei -- a 54-year-old retired Army colonel -- was...

The 8,200-pound shipment includes fresh apples, tomatoes and kiwi, along with a pizza kit.

Applicants have to be between 30 and 55, in good physical health with no dietary issues and not prone to motion sickness.

Both U.S. and Russian space officials said the station's seven-person crew wasn't in danger during the incident.

Glenn, who died in 2016, was the first American to orbit Earth, making him a national hero in 1962.

Your tax dollars are hard at work in “F9: The Fast Saga,” the latest chapter in the “Fast & Furious” series.

Spacewalking astronauts equipped the International Space Station with the first in a series of powerful new solar panels.

Barron, who commissioned as a Navy officer, was selected by NASA out of a pool of 18,000 people to join the 2017 astronaut...