NASA will conduct a second "wet dress rehearsal" this week before announcing a date to launch astronauts on its Artemis II ...

The agency recently delayed the Artemis 2 mission due to a liquid hydrogen leak that has plagued the SLS rocket.

NASA is looking to make sure the problems with leaks in its moon rocket have been remedied with another Artemis II test run ...

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.

SpaceX is edging toward the 12th launch of its Starship rocket, which this time will see a new version of the massive vehicle head skyward. The launch team has just completed a crucial test of the ...

In theory, water-based propulsion systems are a low-cost, safer alternative to conventional engines. Water is easier to handle and transport and doesn’t carry the same risks as toxic propellants. The ...

The test follows a partial fuelling exercise on February 12, when teams identified a possible restriction in the flow of liquid hydrogen, one of the rocket's key cryogenic propellants.

The next series of launch opportunities for the Artemis II mission begin March 3. If the mission doesn’t lift off in March, NASA will need to roll the rocket back to the Vehicle Assembly Building to ...

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

Technicians at Kennedy Space Center are working to resolve a liquid hydrogen leak discovered during a recent fueling test for ...

Plan was to turn SLS into Seal Leaks Stemmed... But the flow was off NASA engineers spent the weekend studying the data after ...

NASA's Artemis II mission faces hurdles; an equipment issue hampered a critical rocket test, but despite setbacks, March ...