In the summer of 2024, a rock from the ancient solar system fell through the roof of a New Jersey home and landed, improbably, in the hands of science. The meteorite — only the second of its rare class ever recorded striking Earth — carried within it amino acids, prebiotic molecules, and the chemical memory of a world where liquid water once moved through stone. For those who study how life began, it arrived not as destruction but as correspondence: a letter, billions of years in transit, describing the ingredients that may have written life's first sentences on a young Earth.