Engineers will review the data before setting the timeline for the second wet dress rehearsal.

NASA's Artemis 2 moon mission faces a new issue after a rocket test uncovered an issue with ground support equipment that ...

Excess hydrogen concentration in a tail service mast umbilical interface had brought the countdown to an end during the first ...

The next series of launch opportunities for the Artemis II mission begin March 3. If the mission doesn’t lift off in March, NASA will need to roll the rocket back to the Vehicle Assembly Building to ...

NASA’s pre-launch preparations for the Artemis 2 mission are off to a rocky start, conjuring memories of the technical issues that delayed Artemis 1 by several months. A redo fueling test this week ...

BAY ST. LOUIS, Miss — NASA's final test of its Space Launch System (SLS) rocket to make sure it was ready to launch future Artemis Moon missions experienced early engine shutdown. The core stage ...

Add Yahoo as a preferred source to see more of our stories on Google. With the giant SLS rocket on its Florida launch pad and the four astronauts of Artemis II preparing to make history as they fly ...

Prime contractor Boeing rolled out the second Space Launch System (SLS) Core Stage on July 16 from the Michoud Assembly Facility (MAF) and secured it to NASA’s Pegasus barge for transportation to the ...