The windows on the Orion spacecraft are already dirty. The four astronauts aboard Artemis II spend so much time pressing their faces against the glass to stare back at their home planet that mission commander Reid Wiseman actually radioed Houston to ask for window-cleaning procedures.

NASA’s Artemis II mission is making history as humanity’s first trip to the moon since 1972.

Artemis II is NASA’s first crewed flight test of the Space Launch System rocket and Orion spacecraft around the Moon to verify today’s capabilities for humans to explore deep space and pave the way fo...