NASA's 2nd wet dress rehearsal is underway in Florida as the agency prepares to test-fuel the towering Space Launch System ...

Artemis II will be the first human spaceflight to the vicinity of the Moon since 1972 and is the first crew mission for ...

NASA's Artemis II rocket repairs are underway after a dislodged seal caused a helium flow issue, delaying launch.

NASA has begun another practice launch countdown for its first moonshot in decades with astronauts. The first test was halted ...

The NASA Artemis II second wet dress rehearsal went far better than the first, NASA said, though it still found a few smaller ...

NASA will conduct another rocket fueling test as the agency aims to get its highly anticipated human moon mission known as Artemis 2 back on track.

The two-day countdown test at NASA’s Kennedy Space Center in Florida included filling up the tanks of the giant Space Launch System rocket with millions of pounds of liquid hydrogen and liquid oxygen.

Isaacman reiterated the need for safety midway through Thursday’s fueling test, as he released a scathing report on Boeing’s ...

NASA engineers conduct intricate fueling rehearsals for the Artemis II mission. These simulations test the entire launch countdown process on the ground. The Space Launch System rocket is loaded with ...

NASA says it can't try until March at the earliest to send a crewed spacecraft on a flight around the moon and back, due to hydrogen leaks during testing of the Artemis II rocket.

Fixing the Space Launch System rocket's helium pressurization problem has pushed the Artemis II launch to at least April 1.

Countdown goes all the way down to T-minus 29 seconds in preparation for NASA's first crewed trip to the moon since the Apollo era.