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Astronomers have identified 20 ancient, metal-poor stars hiding in the Milky Way's disk that appear to be the remains of a dwarf galaxy consumed roughly 10 billion years ago, now nicknamed "Loki." The discovery, published in Monthly Notices of the Royal Astronomical Society, adds a new entry to the Milky Way's growing catalog of cannibalized galaxies and raises questions about how much of our galaxy was built from ingested neighbors rather than formed in place.