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This Dinosaur Had the Claws of a Raptor but Hunted Like a Heron

Scientists have uncovered a fish-hunting raptor from Patagonia that may have stalked prey like a giant prehistoric heron. A newly identified dinosaur from Patagonia is giving scientists fresh insight into how some raptor relatives lived during the final chapter of the age of dinosaurs. The species, named Kank australis, appears to have spent much of [...]

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Scientists Discover 43-Foot Sea Reptile Twice the Size of a Great White Shark

A newly identified mosasaur from Texas suggests that some ancient marine predators were larger, more powerful, and possibly more aggressive than previously recognized. Bite marks, broken jaws, and a giant skull from Texas are helping scientists redraw the family tree of one of the ocean’s most fearsome ancient predators. The animal behind the evidence was [...]

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Scientists Finally Think They Know Why T. rex Had Tiny Arms

A new study suggests T. rex and other giant predators evolved tiny arms because their massive skulls took over as the primary hunting weapon. As their bites became more powerful, their forelimbs may have gradually faded into evolutionary leftovers. Why T. Rex and Other Giant Predators Evolved Tiny Arms The famously tiny arms of Tyrannosaurus [...]

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Rewriting Dinosaur Evolution: Scientists Unearth Remarkable 150-Million-Year-Old Stegosaur Skull

A newly discovered stegosaur skull from Spain is offering rare insight into the anatomy and evolution of one of Europe’s most iconic dinosaurs. A rare skull from Spain is giving scientists a clearer look at one of Europe’s most important armored dinosaurs and reshaping ideas about how stegosaurs spread and evolved. Stegosaurs were plant-eating dinosaurs [...]

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College Student Identifies Bizarre New Carnivorous Dinosaur Three Times Older Than T. rex

A distorted dinosaur skull, once dismissed as unusable, became the focus of a detailed digital reconstruction that revealed new insights into early carnivorous dinosaurs. “You want to stick your finger in a dinosaur brain?” asked Simba Srivastava. In a fossil-filled lab at Virginia Tech, he held up a battered, cratered skull that most researchers might [...]

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First Ever Complete Skeletal Cast of 30-Foot Extinct Alligator–See it in Georgia

A museum in Georgia is now home to the world’s first complete and scientifically accurate mounted skeleton of Deinosuchus schwimmeri, one of the largest and most dangerous reptiles to ever live. Deinosuchus schwimmeri, which walked the eastern United States 83 million to 76 million years ago, was a dinosaur-eating, school-bus-sized relative of modern alligators. Measuring up to […]

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Strange 65-Foot Dinosaur Discovered in Argentina

Bicharracosaurus dionidei, a newly discovered sauropod from Argentina, shows a mix of brachiosaurid and diplodocid traits, offering new insights into dinosaur evolution in the Southern Hemisphere. Long-necked dinosaurs, known as sauropods, are often what people picture when they think of dinosaurs. With their huge bodies, long necks and tails, and small heads, they include the [...]

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Embryo Fossil is Missing Puzzle Piece Thrilling Scientists with Oldest Proof that Mammal Ancestors Laid Eggs

A remarkable new discovery is shedding light on one of the greatest survival stories in Earth’s history—and answering a decades-old scientific mystery. Lystrosaurus, a hardy, plant-eating mammal ancestor, rose to prominence following a mass extinction some 252 million years ago—the most devastating extinction event our planet has ever experienced. While countless species vanished, Lystrosaurus…

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