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

NASA will send Artemis III to low-Earth orbit instead of the moon, testing docking systems before a planned 2028 lunar ...

NASA's Artemis 2 moon mission is in trouble again after teams discovered a helium issue within the SLS rocket following successful wet dress rehearsal ...

NASA's second attempt to run a "wet test" of the Space Launch System (SLS) for its Artemis II mission was successful. Following a failure of some seals during the first attempt earlier this month, ...

NASA's Artemis II rocket successfully completed a major prelaunch test. The crew will now enter quarantine as potential launch dates come as early as March.

Fixing the Space Launch System rocket's helium pressurization problem has pushed the Artemis II launch to at least April 1.

NASA's Space Launch System rocket is about to depart the launch pad in Florida where it has been vertical for more than a ...

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 ...

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 ...

CAPE CANAVERAL—NASA is revising its Artemis lunar exploration initiative with a new mission to dock one or both human lunar ...

KENNEDY SPACE CENTER — On Saturday, NASA Administrator Jared Isaacman posted on X that due to a helium flow issue, the Artemis II moon rocket will be rolled back to the Vehicle Assembly Building for ...