Space Exploration

The skepticism and debate around the question of "are we alone in the universe" makes the field of astrobiology more cautious

The Axiom Mission-4 (Ax-4) crew flying aboard SpaceX's Dragon "Grace" docked to the International Space Station beginning a two-week stay on the orbiting laboratory with the Expedition 73 crew.

Cheap, uninsured satellites are creating more space junk — and it's starting to rain down on our heads.

A solid rocket engine for NASA's Space Launch System rocket experienced an anomaly during a static fire test at the booster's Northrop Grumman facilities June 26.

SpaceX's Falcon 9 rocket with the Dragon spacecraft carrying Axiom-4 astronauts heads to the International Space Station.

The Mexican president said there is a "general review underway of the international laws that are being violated."

For years, Robert Hunt convinced everyone he could that he was a NASA astronaut. The truth was anything but.

Rocket Lab launched an Electron rocket from New Zealand on June 26. The rocket carried a trio of radio frequency geolocation satellites and one experimental payload into a polar orbit.

The remains of 166 people part of a Celestis Memorial Spaceflight are presumed lost after The Exploration Company's "Mission Possible" capsule presumably crashes into Pacific Ocean.

A walk in the desert and a curious discovery could have revealed that the secrets of alien life grow in the harshest conditions on Earth in the form of lichen.