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

The new silos will include 24 new forward launch centers, three centralized wing command centers, and more than 5,000 miles of fiber connections to wire it all together, military and industry ...

NASA has repaired its Artemis 2 rocket, apparently keeping things on track for a possible April launch of the first crewed moon mission in more than 50 years.

The rocket’s death came via a seemingly pedestrian notice posted on a government procurement website: “NASA/MSFC intends to issue a sole source contract to acquire next-generation upper stages for use ...

The rocket’s core stage will be loaded with more than 700,000 gallons of cryogenic fuel during the upcoming tanking phase.

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

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 ...

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

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

NASA's Space Launch System rocket is about to depart the launch pad in Florida where it has been vertical for more than a month ahead of Artemis 2.

NASA's Artemis 2 moon mission is in trouble again after teams discovered a helium issue within the SLS rocket following successful wet dress rehearsal ...