Engineers were able to fully fuel NASA's Artemis II moon rocket without any signs of leaks like the ones that derailed an ...

NASA's Artemis 2 moon mission faces a new issue after a rocket test uncovered an issue with ground support equipment that ...

NASA is providing a commentary-free, 24-hour livestream of SLS during the WDR, which can be viewed here on Space.com as well as on YouTube. The agency said that it will also air a separate stream ...

NASA has begun a countdown and fueling test for its SLS rocket at the Kennedy Space Center that will determine an Artemis 2 ...

Teams will exit the hold, run through terminal countdown to ~T-33 seconds (simulated launch at 8:30–8:50 p.m. ET), then recycle the clock and practice the ...

During the lead-up to NASA’s Artemis 1 mission back in 2022, recurring hydrogen leaks led to significant delays and a ...

NASA’s first crewed moon mission in decades was delayed as its engineers grapple with an all-too-familiar rocket problem: hydrogen leaks. Fixing the issue is even trickier than it may seem.

NASA will conduct another rocket fueling test as the agency aims to get its highly anticipated human moon mission known as Artemis 2 back on track.

A NASA test to confirm repairs to seals in the SLS’s liquid hydrogen fueling system was only partially successful because of problems with ground equipment.

NASA’s pre-launch preparations for the Artemis 2 mission are off to a rocky start, conjuring memories of the technical issues that delayed Artemis 1 by several months. A redo fueling test this week ...