Why the rocket fuel that will power Artemis II is so hard to handle

It's difficult to imagine a substance that is hundreds of degrees below freezing yet still a liquid. Such is the strange ...
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NASA had 3 years to fix fuel leaks on its Artemis moon rocket. Why are they still happening?

NASA stopped short of completing a critical fuel test for its Artemis 2 SLS rocket because of hydrogen leaks that sound a lot like the problems they had during Artemis 1.

NASA delays astronauts’ lunar trip until March after hydrogen leaks mar fueling test

NASA announced the news Tuesday, shortly after the critical fueling test ended at Kennedy Space Center. Until the exasperating hydrogen leaks, the space agency had been targeting as soon as this ...

Engineers under pressure to find fix after fuel leak delays mega-rocket moon mission

Houston has a problem.