Rockets like Artemis II are big and heavy. Here's how specialized crawler transporters safely move them from assembly bays to ...

NASA is preparing to roll its Artemis II rocket off the launch pad and back to the Vehicle Assembly Building at Kennedy Space Center to fix a helium flow issue.

Old Apollo rocks are providing a fresh take on the moon's magnetic field. The lunar magnetic field is currently weak or even ...

CAPE CANAVERAL, Fla. (AP) — NASA moved its grounded Artemis moon rocket from the launch pad back to its hangar Wednesday for ...

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

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

Engineers over the weekend found helium flow was disrupted in one of the rockets. Now, Artemis II is making the 4-mile, ...

NASA plans to roll the Artemis II Space Launch System and Orion spacecraft back to the Vehicle Assembly Building on Feb. 25 to address a helium flow issue.

After observing an interrupted flow of helium, NASA rolling back and Artemis II rocket Orion spacecraft to its Vehicle Assembly Building .

NASA has delayed the first crewed launch of its Artemis program after encountering a problem with its rocket system.