NASA is streamlining its SLS rocket build and workflow to maintain skill sets, mitigate risk, and eventually launch every ...

When NASA Administrator Jared Isaacman announced the revamped approach to the Artemis moon program, it was unclear whether ...

NASA's Artemis II rocket encountered a new helium flow issue and will rollback to the VAB. Here's what we know.

NASA said it is taking steps to roll back the Artemis II rocket and Orion spacecraft to the Vehicle Assembly Building at the ...

Hours after holding what the space agency called a successful dress rehearsal, NASA found interrupted helium flow into the rocket, handing a significant setback to the lunar mission.

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

That means NASA and contractor ground teams will immediately begin preparing to roll the 322-foot-tall (98-meter) SLS rocket off of Launch Complex 39B and back to the VAB. The rocket and its mobile ...

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

NASA is reportedly considering replacing the planned upper stage of its Space Launch System with hardware derived from United Launch Alliance’s Vulcan Centaur rocket, a change that could alter the ...

With the Artemis II flight test on hold due to a Space Launch System rocket repair, NASA Administrator Jared Isaacman revised ...

NASA has opted out of using Boeing's Exploration Upper Stage (EUS), and has awarded a contract to the United Launch Alliance, ...