After swooping around the moon, viewing an eclipse, breaking an Apollo distance record and testing out a space toilet, NASA's Artemis II mission is about to return to Earth. Here's what the astronauts must face to make it safely home. Flying by the moon, witnessing an eclipse, and traveling farther from Earth than any humans have before: The four astronauts of NASA's Artemis II mission have hit many milestones since launching from Kennedy Space Center nearly 10 days ago. Now, if a... [5479 chars]