In the quiet routine of data review, NASA scientist Robert Wagner encountered something the moon had kept hidden until now: a crater 728 feet wide, born from a collision that statistical models say happens only once every 132 years. The discovery, made from images captured in spring 2024 by the Lunar Reconnaissance Orbiter, reminds us that even the most familiar objects in our sky still hold the capacity to surprise — and that science, at its most profound, often begins not with grand ambition but with someone simply paying close attention.