NASA stopped short of completing a critical fuel test for its Artemis 2 SLS rocket because of hydrogen leaks that sound a lot ...

In addition to the hydrogen leak, engineers addressed a valve associated with Orion’s crew module hatch pressurization ...

NASA’s test run of its Artemis II countdown ran into problems Monday at Kennedy Space Center, scrapping any chance of the moonbound mission launching this month. Instead, the agency is targeting March ...

NASA defended preparations for Artemis 2 after a fueling test had hydrogen leaks like those that bedeviled Artemis 1 more ...

A hydrogen leak at the base of the rocket has now pushed the launch date back into March.

NASA announced the long-awaited flight to send four astronauts on a trip around the moon was being delayed to March after a ...

NASA plans to test the planned leak repair with a second dress rehearsal fueling test later this month.

Shortly after 2 a.m. ET on Tuesday, NASA announced that it would forgo February’s launch window (which lasted until Feb. 11) for the Artemis II mission around the moon to allow teams to review data ...

NASA’s first crewed lunar mission in more than 50 years won’t be getting underway this month after all. It had been targeting ...

NASA announced the news Tuesday, shortly after the critical fueling test ended at Kennedy Space Center. Until the exasperating hydrogen leaks, the space agency had been targeting as soon as this ...

A number of issues uncovered during a practice run of the launch prompted the move of the mission to no earlier than March 6.