In the quiet discipline of routine observation, a NASA scientist scanning lunar imagery stumbled upon something the solar system had not revealed before: the largest newly formed impact crater ever documented, carved into the Moon's eastern edge sometime in the spring of 2024. The crater — 728 feet wide and 141 feet deep — is estimated to form from an event that occurs perhaps once a century, yet its discovery came not from a grand mission but from an unglamorous data-quality check. Named McGetchin Crater in honor of a recently deceased lunar scientist, the find reminds us that civilization's