Engineers are getting ready to put the pressure on hardware for the world’s most powerful rocket, NASA’s Space Launch System, as part of a rigorous test series to ensure each structure can withstand ...

NASA will replace on the pad a seal for a quick disconnect fitting between a liquid hydrogen fuel line and the core stage of the SLS, keeping open the option for a launch attempt later this month.

While NASA has yet to launch an Artemis mission to the moon, the agency is already doing engine testing for far-future missions. NASA finished its sixth RS-25 engine hot-fire test on Thursday (Aug. 5) ...

NASA was scheduled to conduct a key test of its Space Launch System rocket and spacecraft today but had to scrub the event part way through due to an issue with its mobile launcher platform. The ...

Ever since the wet dress rehearsal test back in the early months of 2022, NASA has been fighting pesky hydrogen leaks in the hardware meant to fill the Space Launch System (SLS) with fuel. After it ...

After spending more than 15 months at the Stennis Space Center in Southern Mississippi, the core stage of NASA’s large Space Launch System rocket departed for Florida in late April. Preparations are ...

NASA’s Space Launch System (SLS), the world’s most powerful rocket, is designed to be flexible and evolvable to meet a variety of crew and cargo mission needs for deep-space missions. The agency is ...