A major step toward launch day is complete as NASA's Artemis II astronauts ran through a countdown demonstration test.

A supercomputer simulation of the Apollo 12 landing on the moon was created to "improve its understanding of plume-surface ...

NASA’s Artemis II crew completed a launch day rehearsal at Kennedy Space Center, practicing countdown procedures, spacecraft boarding and system checks ahead of their 2026 lunar orbit mission.

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

NASA is tracking a plane-sized asteroid known as 2025 XM as it hurtles toward Earth’s neighborhood at roughly 9,753 miles per ...