NASA has started the countdown for a second wet dress rehearsal for its Artemis II moon mission, a critical practice run leading up to the planned launch that will send astronauts on a journey around the Moon — the first such crewed flight in more than 50 years.

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

The Space Launch System that will carry Artemis II astronauts around the Moon and back has now taken on its most precious cargo yet: hundreds of thousands of gallons of supercold propellant. With the rocket fully fueled in a high stakes rehearsal at ...

NASA will attempt to fuel its Artemis II rocket again tomorrow after hydrogen leaks derailed the first wet dress rehearsal and delayed what is scheduled to be a historic crewed flight around the moon.