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

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.

Artemis 2 is a mission that will allow astronauts to travel to and from the moon. During the journey, the astronauts will test NASA’s Orion spacecraft, the SLS rocket, and other systems. It is mainly ...

Marshall Space Flight Center is playing a critical role in keeping the first manned moon mission in 50 years on target.

Nasa's Artemis II astronauts powered through a heart-pounding launch rehearsal on December 20. The crew's precision drill ...

People who have the right to step inside the Vehicle Assembly Building (VAB) at the Kennedy Space Center are treated these days to an impressive sight: the Space Launch System (SLS) rocket carrying on ...

The dress rehearsal for NASA's Artemis II launch will help prepare the astronauts for the real launch date, which is planned for no earlier than February.

RS-25 prime contractor L3Harris continues to ramp up production of new flight engine hardware at their Los Angeles area facility and final assembly at the Stennis Space Center. NASA certified ...