While the fate of NASA’s Space Launch System (SLS) rocket hangs in the balance, the agency is pushing ahead with tests of new ...

NASA’s Space Launch System (SLS) is ready to fly with its four shuttle-era engines. The rocket, outfitted with the RS-25 ...

And the decade-plus that the rocket was in development sparked years of blistering criticism targeted toward the space agency and Boeing, which holds the primary contract for the SLS rocket’s core.

Senior NASA officials say that the agency’s Space Launch System — the massive rocket designed to propel its ambitious Artemis program to establish a base on the moon — is “unaffordable ...

The 156-foot-long five-segment solid rocket motor produced upwards of 4 million pounds of thrust during the test.

NASA has announced changes to its “baseline cost” for the SLS rocket, stating that it’s going to spend an additional 30% or more to get … ...

NASA aborted the 4th consecutive rehearsal launch of its powerful SLS rocket on Monday, citing a hydrogen leak.

NASA's plagued Space Launch System rocket, which is being developed to deliver the first astronauts to the Moon, is on thin ice.

NASA's Space Launch System rocket lifted off early Wednesday, launching the Orion capsule on its first moon mission. The SLS rocket and Orion have undergone critical tests to ensure they're ready ...

While NASA’s Artemis program may ultimately abandon the Space Launch System rocket, for now, Melbourne-based L3Harris is pushing forward with the manufacture of the powerful rocket’s co… ...

NASA's powerhouse Space Launch System rocket is preparing for blastoff to the moon — and someday, Mars.

Many segments of the reusable solid rocket boosters were also migrated to SLS from the space shuttle program, and some of the Artemis I booster segments date back to the mid-1980s.