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.

The first crewed mission of the Artemis program won’t land on the moon, but it aims to take four astronauts farther from the Earth than anyone has gone before.

Launch teams replaced a pair of seals and a clogged filter at the Kennedy Space Center pad where the giant moon rocket stands before starting the countdown clocks back up. The two-day test will ...

After years of delays, NASA's Artemis II mission is aiming to launch next month. But issues with the heat shield are causing some to raise the alarm.

NASA will launch Crew-12 aboard a SpaceX Dragon on Feb. 11, with live coverage across platforms. Docking with the ISS is ...

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