NASA has about three weeks to complete repairs to the Space Launch System’s upper stage to make the next launch window for the Artemis 2 mission.

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

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

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

The two biggest commercial space companies are stepping up.

NASA's Artemis 2 moon mission has been delayed until at least March due to technical issues. A hydrogen leak was discovered in the Space Launch System rocket during a prelaunch test. A subsequent test ...

NASA Administrator Jared Isaacman said Saturday the agency is looking at ways to prevent the fueling problems plaguing the Space Launch System rocket before the Artemis III mission. Artemis III is ...

During the lead-up to NASA’s Artemis 1 mission back in 2022, recurring hydrogen leaks led to significant delays and a cancelled launch attempt. The agency had three years to address the underlying ...

Liquid hydrogen fuel leaks forced NASA to delay the launch of Artemis II—the same scenario it encountered four years ago during the Artemis I mission. The sun sets as NASA’s crawler-transporter 2 ...

NASA's SLS rocket and Orion spacecraft face a rollback for repairs after last Thursday's wet dress rehearsal.