This reason is enough to delay the Artemis II mission further, says a Mexican nuclear physicist to the Starlust team.

NASA's huge Space Launch System rocket has been repaired and is ready for rollout back to the launch pad next week.

An unannounced test of NASA's towering Space Launch System rocket uncovered another issue with the vehicle meant to soon launch astronauts on a mission around the moon. Ground crews at the Kennedy ...

CAPE CANAVERAL — If all had gone according to plan, four astronauts might have been returning just this week from a history-making, 10-day slingshot trip around the moon. Instead, NASA's engineers ...