Artemis II will be the first crewed, deep-space mission in more than 50 years, orbiting the Moon to test Orion and the Space Launch System (SLS).

NASA is tracking a new battery problem after it resolved a previous issue with the flight termination system, but the countdown continues.

If all goes according to plan, the crew — commander Reid Wiseman, pilot Victor Glover, and mission specialists Christina Koch and Jeremy Hansen — will get an unprecedented view of the far side of the ...