American space agency NASA said the helium problem in the SLS has been fixed, further tweaks underway before the rocket's rollout.

NASA's Artemis II is on track to shoot for the moon in April after engineers fixed the helium issue that grounded the mission ...

NASA has about three weeks to complete repairs to the Space Launch System’s upper stage to make the next launch window for the Artemis 2 mission.

NASA made major changes to its Artemis lunar architecture, adding a test flight of lunar landers in Earth orbit while ...

When NASA Administrator Jared Isaacman announced the revamped approach to the Artemis moon program, it was unclear whether the new mobile launcher that has been constructed over the last two years at ...

After NASA announced a helium flow issue in the rocket, SLS has returned to the VAB. This further delayed the launch of ...

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

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

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

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 ...

The two biggest commercial space companies are stepping up.