Sign up for CNN Science’s pop-up newsletter covering NASA’s Artemis II mission, which will take four astronauts on a 10-day ...

If the countdown and fueling test go well, four astronauts will set their sights on a Super Bowl Sunday launch to the moon.

NASA has run into exasperating fuel leaks in a make-or-break test of the moon rocket that's supposed to send astronauts on a ...

NASA conducted a critical test of its Artemis II moon rocket Monday night at Kennedy Space Center, briefly pausing the ...

The countdown for NASA’s next trip around the Moon has shifted from planning to practice, as controllers begin a high‑stakes ...

The cold weather didn’t stop NASA from calling employees to work Saturday night to begin the two-day countdown of a test run for its Artemis II moon mission. Staffers were called to stations at ...

NASA has delayed its Artemis II crewed mission to orbit the moon until March after a test revealed a hydrogen leak and a ...

Already in quarantine to avoid germs, Commander Reid Wiseman and his crew will be the first people to launch to the moon ...

NASA initiated the Artemis II wet dress rehearsal countdown at Kennedy Space Center, marking a full launch simulation with propellant loading, countdown holds, and scrub procedures.

NASA has begun a two-day practice countdown for its first moonshot with astronauts in 53 years. The dress rehearsal that started Saturday night will culminate with the fueling of the space agency's ...

NASA faces a fuel leak during a crucial countdown for its moon rocket, impacting upcoming lunar mission plans.