More On NASA - National Aeronautics and Space Administration

With Arizona still counting, McSally, a retired Air Force colonel, trails Kelly, a former NASA astronaut, by 81,000 votes.

The Space Force created a unit dedicated solely to orbital warfare -- and it includes the secret X-37B space plane.

A NASA astronaut will transfer into the U.S. Space Force later this month while onboard the International Space Station.

IMAX documentary "Asteroid Hunters" uses spectacular effects to show what an asteroid strike would do to earth and how we're...

The two veterans may have a lot in common, but in a tight Senate race, they've been openly clashing with one another.

Carl Pascarell brought his military experience to the streaming show about the Mercury 7 astronauts.

Elon Musk and SpaceX have become a critical part of our future in space.

We've got an exclusive clip from the Disney+ series "The Right Stuff."

Edgar Mitchell was a naval aviator, test pilot, and instructed astronauts before becoming one. He was no kook.

Nichols almost left the show after the first season and it's a good thing she didn't -- for many reasons.