NASA - National Aeronautics and Space Administration

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...

A Chinese spaceship carrying a three-person crew has docked with China's new space station at the start of a three-month...

Santos, a Navy engineering duty officer with over 20 years of service, had had a distinguished career at NASA.