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

After fixing a helium flow issue, the space agency is preparing to return its Space Launch System (SLS) rocket to the launch pad later this month.

NASA has selected the Centaur upper stage currently used on United Launch Alliance’s Vulcan rocket for future flights of the Space Launch System.

Welcome to Edition 8.32 of the Rocket Report! The big news this week is NASA’s shake-up of the Artemis program. On paper, at least, the changes appear to be quite sensible. Canceling the big, new ...

In shaking up its Artemis lunar program, NASA's new moon plan looks more like the Apollo missions of the 1960s. Instead of ...

NASA engineers conduct intricate fueling rehearsals for the Artemis II mission. These simulations test the entire launch countdown process on the ground. The Space Launch System rocket is loaded with ...

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

Helium flow issues in the upper stage found after last week's successful wet dress rehearsal require more scrutiny ...

It looks like a March launch is no longer in the cards for Artemis II, NASA's first crewed trip to the moon's vicinity since ...