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Archaeologists Discover a Hidden Ancient Henge in England
An excavation in Lincolnshire revealed what appears to be a sacred site.
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Ripples in Spacetime Reveal Mystery Object Colliding With a Star’s Corpse
A neutron star merged with something unknown. Physicists think it might be a mini black hole.
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Neutron Stars Spew Jets That Travel at Relativistic Speeds, Scientists Say
These fast-moving outbursts of material are slightly different from those launched by black holes.
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Ancient Humans Left Drawings Next to Dinosaur Footprints in Brazil
Ancient South Americans were apparently inspired by fossilized dinosaur tracks in what is now eastern Brazil, where they cut figures into the rock, imprinted tens of millions of years earlier by the movements of giants. The dinosaur tracks belong to theropods, sauropods, and iguanodontians, and are spread across three rock outcroppings in the Brazilian state…