NASA had been hoping to launch four astronauts on a voyage around the moon in the Artemis II mission in February, but ...

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

NASA has wasted no time in selecting the vehicle that will replace the upper stage on its new plans for a standardized Space Launch System rocket.

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

NASA has about three weeks to complete repairs to the Space Launch System’s upper stage to make the next launch window for the Artemis 2 mission.

A test of NASA's towering Space Launch System rocket uncovered another issue with the vehicle meant to launch astronauts on a mission around the moon.

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

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

NASA has selected United Launch Alliance’s Centaur 5 upper stage for two crewed Artemis missions planned for 2028. Here's the ...

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

NASA's Artemis II rocket encountered a new helium flow issue which is likely to delay its early March launch. Here's what we know.