An origin story for a family of oddball meteorites

Boston MA (SPX) Jul 27, 2020

Most meteorites that have landed on Earth are fragments of planetesimals, the very earliest protoplanetary bodies in the solar system. Scientists have thought that these primordial bodies either completely melted early in their history or remained as piles of unmelted rubble. But a family of meteorites has befuddled researchers since its discovery in the 1960s. The diverse fragments, found