To fix the problem, NASA has to roll SLS and the stacked Orion spacecraft back to the Vehicle Assembly Building (VAB) at the ...

CAPE CANAVERAL, Fla. (AP) — Grounded until at least April, NASA’s giant moon rocket is headed back to the hangar this week ...

The Artemis II mission has been delayed again, just days after a successful test put the launch back on track. The mission to send astronauts around the moon has already been delayed twice - first by ...

This will require removing the rocket from the launch pad and taking it back to the Vertical Assembly Building (VAB).

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

Technicians swapped seals at the launch pad after hydrogen gas leaked from the rocket’s main fueling line earlier this month.

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, ...

The Artemis 2 human lunar mission around the moon could be back on track after NASA pulled off a successful fueling test of ...

After completing a second “wet dress rehearsal” of its upcoming moon mission, NASA said it is targeting a March 6 launch date ...

NASA completed a second wet dress rehearsal for the Artemis 2 mission on Feb. 19 without the hydrogen leaks seen in the first such test earlier this month.

Excess hydrogen concentration in a tail service mast umbilical interface had brought the countdown to an end during the first ...