An issue with the SLS rocket's helium system forced the agency to roll back the rocket to NASA's Vehicle Assembly Building ...

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

During a similar test earlier this month, sensors detected a leak of super-cooled liquid hydrogen – rocket fuel for NASA's SLS rocket.

NASA’s giant SLS (Space Launch System) rocket is set to roll to the launch pad Saturday as it prepares to return humans to the vicinity of the moon for the first time in more than 50 years as part of ...

After a four-mile crawl from NASA's Vehicle Assembly Building, the Space Launch System stands ready on its launchpad in Cape Canaveral, Florida, on Aug. 17, 2022. - NASA / Joel Kowsky The journey ...

The towering rocket that will help propel a group of astronauts on NASA's first human moon mission in half a century may soon be visible along Florida's Space Coast. In a matter of days, NASA plans to ...

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 ...