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

NASA ran into exasperating fuel leaks during a make-or-break test of its new moon rocket Monday, calling into question how soon astronauts could take off for a trip around the moon .

The mission is the first crewed flight test aboard the Orion spacecraft, which will send four astronauts into deep space on a lunar flyby, marking the first time astronauts have been to the moon since...