Outer space has emerged as the world's next battlefield, demonstrated by recent cyberattacks on satellites blamed on Russia.

Spacecraft that could fuel up in orbit would be less weighed down at liftoff and fly deeper into space; making those refills happen is a big challenge ...

NASA’s Artemis campaign is a bold series of missions to take humans back to the moon... and those astronauts will get there ...

The new AI tool could help astronauts diagnose and treat medical issues when far from Earth and beyond the reach of doctors.