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 ...

The Artemis 2 human lunar mission around the moon could be back on track after NASA pulled off a successful fueling test of ...

SLS still has helium leaks. Helium leaks have been a problem since the Space Shuttle days. It is so cold that it is hard to work with. The picture is of the ...

NASA completed a second wet dress rehearsal for the Artemis 2 mission on Feb. 19 without the hydrogen leaks seen in the first such test earlier this month.

NASA completed a second crucial test on Thursday night as it prepares to launch the historic Artemis II mission that will ...

A test of NASA's towering Space Launch System rocket uncovered another issue with the vehicle meant to launch astronauts on a mission around the moon.

NASA is progressing a little faster than originally predicted toward a critical fueling test of its Artemis 2 moon rocket. The agency had targeted no later than Feb. 2 to complete the "wet dress ...

NASA's Artemis II rocket is set to see its next wet dress rehearsal this week. What to know, as a launch date could soon ...

NASA is moving one step closer to its next crewed lunar mission as the agency prepares to conduct a wet dress rehearsal for Artemis II.

NASA is preparing for the final major test of the Artemis II mission's SLS rocket. The four astronauts for the mission entered quarantine in Houston ahead of the flight around the moon. A "wet dress ...