NASA’s first crewed trip back toward the Moon in more than half a century is suddenly on less certain footing. After a string ...

The small rocket and capsule have been flying since April 2015 and have combined to make 38 launches, all but one of which ...

CAPE CANAVERAL, Fla. (AP) — NASA’s long-awaited moonshot with astronauts is off until at least March because of hydrogen fuel ...

Liquid hydrogen fuel leaks forced NASA to delay the launch of Artemis II—the same scenario it encountered four years ago ...

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

NASA ended the Artemis II wet dress rehearsal early after a recurring hydrogen leak, prompting further pad evaluations and shifting the mission’s next launch window to March.

Technical problems discovered during a pre-flight test have prompted NASA to postpone this important space mission.

NASA says it can't try until March at the earliest to send a crewed spacecraft on a flight around the moon and back, due to hydrogen leaks during testing of the Artemis II rocket.

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 ...

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 ...