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 ...

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

A failure in the helium flow of the SLS rocket has prompted NASA to delay the Artemis II moon mission. Rather than March 6, ...

NASA has officially begun rolling the Artemis II rocket away from Launch Pad 39B and back toward the Vehicle Assembly ...

NASA Administrator Jared Isaacman says troubleshooting an interruption of helium flow at the launch pad will rule out a liftoff in March.

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

KENNEDY SPACE CENTER — On Saturday, NASA Administrator Jared Isaacman posted on X that due to a helium flow issue, the Artemis II moon rocket will be rolled back to the Vehicle Assembly Building for ...

NASA's Artemis II rocket encountered a new helium flow issue which is likely to delay its early March launch. Here's what we ...

NASA has once again postponed its historic Artemis II lunar mission after engineers detected a helium flow issue overnight on Feb. 20–21 in the agency’s powerful Space Launch System (SLS) rocket, ...

NASA’s Artemis II mission, initially set to launch soon, has been delayed until March due to persistent hydrogen leaks that occurred during recent tests. The agency’s engineers were unable to resolve ...