NASA’s Artemis II mission encountered another hydrogen-related setback during a “confidence test” on Feb. 12, 2026, when a ...

During a similar test earlier this month, sensors detected a leak of super-cooled liquid hydrogen – rocket fuel for NASA's ...

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

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

NASA’s long-awaited moonshot with astronauts is off until at least March because of hydrogen fuel leaks that marred the dress ...

NASA will conduct another rocket fueling test as the agency aims to get its highly anticipated human moon mission known as ...

Technicians at Kennedy Space Center are working to resolve a liquid hydrogen leak discovered during a recent fueling test for NASA’s Artemis II mission.

Launch teams replaced a pair of seals and a clogged filter at the Kennedy Space Center pad where the giant Moon rocket stands, before starting the countdown clocks back up. The two-day test will ...

NASA's crucial pre-launch fueling test for its new moon rocket was interrupted by a hydrogen leak, forcing engineers to pause ...

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 ...

NASA will conduct a second "wet dress rehearsal" this week before announcing a date to launch astronauts on its Artemis II ...

NASA is fueling its new moon rocket in one final make-or-break test before sending astronauts on a lunar fly-around ...