The telltale tooth of a Tyrannosaurus rex found embedded in the tail of a plant-eating dinosaur provides long-sought proof that the famous carnivore hunted and killed its prey, paleontologists announced…
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Extinct Tropical Bird Discovered in Wyoming
Providing yet another reminder of how much the land — and the life on it — changes over time, scientists say they’ve found, on the arid plateaus of southwestern Wyoming,…
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‘Ugly’ Teenage Ceratops Discovered in Alaska
A strange scene discovered on Alaska’s North Slope depicts the mass deaths of nearly a dozen unusual dinosaurs, according to paleontologists. The specimens are all ceratopsids — the group that…
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Dinosaur Death Trap Found in Utah May Contain Raptor Family, ‘Horse Dragons,’ Cannibalized Baby
MOAB, UTAH — A pack of ravenous but hopelessly trapped Utahraptors, a pair of besieged “horse dragons,” and even a cannibalized baby are among the victims that Utah’s state paleontologist…
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Dinosaur Pileup Found Preserved in Utah Desert
About a hundred million years ago, an iguanodon was browsing in a deep mudflat when it found itself stuck. Perhaps hearing its helpless bleat — or smelling its rotting corpse…
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New Big-Nosed Ceratops Discovered in Texas
Yet another new species of horn-faced, frill-fringed dinosaur known as a ceratopsid has been revealed in the American West, this time in the ancient sediments of Texas’ Big Bend National…
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Giant-Headed Sea Monster Found in Kansas Museum
Thanks to some creative casting some 60 years ago, the fossil of an aquatic reptile in a Kansas museum was only recently found to be that of a totally different,…
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Triceratops ‘Family’ Unearthed in Wyoming, Expert Says
In the northeastern corner of Wyoming, a paleontologist says he and his team have found the remains of what might be the first known Triceratops family. Not only would this…
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New Horn-Faced Dinosaurs, Triceratops’ Oldest Relatives, Found in Montana
A group of horned dinosaurs, whose fossilized remains were discovered in Montana’s Judith River Basin, are the oldest known members of the family that includes the famous Triceratops, a new…
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New Feathered Dinosaur Discovered in Texas’ Big Bend National Park
Like Darwin’s many finches living side-by-side in the Galapagos Islands, a surprising variety of feathered, bird-like dinosaurs once roamed the ancient West from Alberta to Texas, scientists say. A team…
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Giant Ice-Age ‘Longhorn Bison’ Unearthed in San Diego
Highway workers have unearthed the fossilized bones of an unusual giant bison in a suburb of San Diego, the first such discovery in Southern California. The fossil may date back…
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Tiny Fossil Discovered in Wyoming Reveals Great-Granddaddy of Hummingbirds
A petite and exquisitely preserved 50-million-year old fossil reveals the remains of a lustrous black bird that was the precursor to today’s hummingbirds, researchers say. The fossil bird, originally excavated…
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