NASA wrapped up its fourth wet dress rehearsal of the Space Launch System yesterday, during which time ground teams achieved a number of key test objectives. That said, an unresolved hydrogen leak ...

NASA has confirmed the upcoming milestones for its historic Artemis II mission—the first crewed flight of the Space Launch ...

Interesting to see that theyre going to attempt a launch of SN9 despite the fall over in the high bay. That hasn’t been covered by Ars at all other than this brief mention, has it? I only found out in ...

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 ...