Fixing the Space Launch System rocket's helium pressurization problem has pushed the Artemis II launch to at least April 1.
Add Yahoo as a preferred source to see more of our stories on Google. The towering rocket NASA will use to help propel four astronauts on a historic trip around the moon is vertical on the launch pad, ...
NASA's 2nd wet dress rehearsal is underway in Florida as the agency prepares to test-fuel the towering Space Launch System ...
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