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Space

A controversial X-ray glow didn’t show up in the Milky Way’s dark matter halo

A new look at old data suggests that an odd X-ray glow that emanates from some galaxies cannot come from decaying dark matter.

Archaeology

Neandertals’ extensive seafood menu rivals that of ancient humans

Finds from a coastal cave in Portugal reveal repeated ocean foraging for this European hominid.

Paleontology

Fossils of a new dromaeosaur date to the end of the Age of Dinosaurs

Fossils from a new dromaeosaur recovered from New Mexico suggest these fierce predators were diversifying up to the end of the Age of Dinosaurs.