NASA's Artemis II is on track to shoot for the moon in April after engineers fixed the helium issue that grounded the mission ...

NASA has selected the Centaur upper stage currently used on United Launch Alliance’s Vulcan rocket for future flights of the Space Launch System.

After NASA announced a helium flow issue in the rocket, SLS has returned to the VAB. This further delayed the launch of ...

Officials with NASA say they have selected a North Alabama company to build part of the rocket that is now slated to take ...

NASA's towering Space Launch System rocket will be rolled back off the launch pad for repairs, delaying the Artemis 2 launch ...

NASA is reportedly considering replacing the planned upper stage of its Space Launch System with hardware derived from United Launch Alliance’s Vulcan Centaur rocket, a change that could alter the ...

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

NASA moved its grounded Artemis moon rocket from the launch pad back to its hangar Wednesday for more repairs. The ...

To fix the problem, NASA has to roll SLS and the stacked Orion spacecraft back to the Vehicle Assembly Building (VAB) at the ...

March 4 (Reuters) - NASA plans to select United Launch Alliance to supply a critical component for future missions of its moon rocket, Bloomberg News reported on Wednesday, citing people familiar with ...

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