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.

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 ...