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

Artemis II mission was due to begin as early as next week and astronauts have spent almost two weeks in quarantine ...

The Artemis II mission, which will return US astronauts to lunar space, has run into problems that have critics demanding NASA remove the crew from the flight for safety reasons. The bigger question ...

In the not so distant future, data centers are going to be launched into orbit, where they’ll be cooled by the vacuum of space. Science fiction becomes reality, the furnace-hot servers will dump heat ...

During the two-day dress rehearsal, running through launch-day procedures, crews found a liquid hydrogen leak in part of the rocket.

NASA is delaying its Artemis II moon mission to address issues that arose during a wet dress rehearsal. The agency had hoped to send four astronauts around the moon as soon as Feb. 8. It’s now ...

NASA Artemis 2 mission after encountering hydrogen leaks during a fueling test of the Space Launch System. The Space Launch System (SLS) and Orion spacecraft ...

After pre-launch testing revealed rocket issues, NASA has delayed the Artemis II launch until March. Here's the latest.

NASA’s test run of its Artemis II countdown ran into problems Monday at Kennedy Space Center that ultimately forced a decision to call off any chance to launch the moonbound mission this month. “With ...

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

NASA has quietly shifted the schedule for its first crewed Artemis flight around the Moon, nudging the Artemis 2 launch back ...

Japan’s newest heavy-lift rocket completed a largely successful ascent in late 2025, yet failed to deliver its payload after a sequence of unexpected mechanical events. The H3 rocket, developed by ...