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.

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 ...

NASA’s Space Launch System appears to have a finite shelf life. The Trump administration wants to cancel it after just three launches, while the preliminary text of a bill making its way through ...