The test is an essential step before NASA can set a launch date for its Artemis II mission, which will send four astronauts around the moon.

A successful rehearsal will keep Nasa on track for Artemis III's lunar landing and long-term Moon-to-Mars ambitions.

The rehearsal is critical to launch Artemis II, the first crewed mission to the moon in over 50 years. By running a realistic countdown and fueling sequence, engineers can confirm that the rocket, ...

During a similar test earlier this month, sensors detected a leak of super-cooled liquid hydrogen – rocket fuel for NASA's SLS rocket.

In theory, water-based propulsion systems are a low-cost, safer alternative to conventional engines. Water is easier to ...

NASA will retest the systems and procedures needed to fuel and launch the 30-story tall SLS rocket ahead of the Artemis II mission.

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

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.

According to Vladimir Demirov, the unique feature of the new technology is that a single chassis combines the functions of a tanker for aviation oils and oil mixtures, alcohol and water-alcohol ...

NASA plans a second wet dress rehearsal for Artemis II on Feb. 19 after replacing a hydrogen system filter, with teams running countdown procedures ahead of a possible March launch window ...

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