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

NASA has officially begun rolling the Artemis II rocket away from Launch Pad 39B and back toward the Vehicle Assembly ...

American space agency NASA said the helium problem in the SLS has been fixed, further tweaks underway before the rocket's rollout.

NASA anticipating rollout of Artemis II rocket following repairs ...

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

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 program, which aims to land astronauts on the lunar surface as ...

BREVARD COUNTY, Fla. - Amid ongoing delays with its Artemis II mission, NASA on Friday announced major changes to its Artemis ...

Rockets like Artemis II are big and heavy. Here's how specialized crawler transporters safely move them from assembly bays to ...

That means NASA and contractor ground teams will immediately begin preparing to roll the 322-foot-tall (98-meter) SLS rocket off of Launch Complex 39B and back to the VAB. The rocket and its mobile ...

NASA has returned its Artemis 2 moon rocket to the Vehicle Assembly Building, where engineers can diagnose and repair an issue with the vehicle's upper stage.

At a news briefing on Friday, NASA administrator Jared Isaacman described a vast overhaul to the moon-to-Mars program. The changes scrap the Artemis III lunar landing and instead make it a flight in ...