Engineers were able to fully fuel NASA's Artemis II moon rocket without any signs of leaks like the ones that derailed an earlier dress rehearsal.

Will it leak?

NASA has started the countdown for a second wet dress rehearsal for its Artemis II moon mission, a critical practice run leading up to the planned launch that will send astronauts on a journey around ...

The two-day countdown test at NASA’s Kennedy Space Center in Florida included filling up the tanks of the giant Space Launch System rocket with millions of pounds of liquid hydrogen and liquid oxygen.

The NASA Artemis II second wet dress rehearsal went far better than the first, NASA said, though it still found a few smaller ...