During the lead-up to NASA’s Artemis 1 mission back in 2022, recurring hydrogen leaks led to significant delays and a ...

NASA has fixed a hydrogen leak in the Space Launch System rocket, clearing a major hurdle for the Artemis II mission. The problem was found during a fueling test, repaired after investigation, and ...

On Monday, after rolling the SLS rocket to be used for the Artemis II mission to the pad in January, NASA attempted its first ...

NASA's Artemis 2 faces new delays, pushing its launch to at least March. Here's why the crewed lunar mission is postponed, ...

The Space Launch System was supposed to be NASA’s triumphant return to Saturn V scale, a government built mega rocket that could guarantee American astronauts a path back to the Moon. Instead, it has ...

NASA stopped short of completing a critical fuel test for its Artemis 2 SLS rocket because of hydrogen leaks that sound a lot ...

NASA has run into exasperating fuel leaks in a make-or-break test of the moon rocket that's supposed to send astronauts on a lunar fly-around.

The Artemis program, effectively a successor to the Apollo missions, aims to return Americans to the moon and lay the ...

American space agency NASA says it fixed the problem that caused a hydrogen leak during the first wet dress rehearsal of the ...

NASA engineers replaced seals and updated procedures after Artemis II wet dress rehearsal to address hydrogen leaks and improve fueling operations ahead of the next test.

NASA’s rehearsal for Artemis II marks one of the final steps before four astronauts get launched into deep space for the first time since the Apollo program ended.

NASA has announced the final test before an Artemis II launch date. Here's what to expect from this weekend's wet dress ...