A carnivorous dinosaur that once hunted in New Mexico was among the last of its kind, paleontologists say.
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World’s Best-Preserved Armored Dinosaur, a ‘Mona Lisa’ of Fossils, Found in Alberta
The fossil of a dinosaur found in Alberta is so complete and well-preserved that it resembles a statue, scientists say.
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T. Rex Didn’t Have Feathers, New Study of Fossil Skin Finds
A new study says Tyrannosaurus and many other large carnivores of the Cretaceous were likely covered only in scales.
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America’s Most Complete Armored Dinosaur, Soft Tissues Intact, Found in Montana
The fossil of an armored dinosaur discovered in Montana is the most complete ever found in North America, paleontologists say, and it’s the first anywhere to be found with a complete skull and tail.
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New Dinosaur Found in Montana Reveals Tyrannosaurs’ True Face (They Didn’t Have Lips)
A group of superbly preserved dinosaur fossils discovered in Montana are giving scientists the clearest picture yet of the giant theropods known as tyrannosaurs.
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Cliff Dwelling in Utah Found to Have Unique Decoration: Dinosaur Tracks
In a Utah cliff dwelling, researchers have found a decoration that’s never been reported before: dinosaur tracks above the front door.
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Huge T. Rex Fossil, a ‘Fantastic Specimen,’ Unearthed in Montana
A huge new specimen of Tyrannosaurus rex has been uncovered in northern Montana, researchers say.
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‘Audacious’ New Species of Horned Dinosaur Discovered in Montana
She lived much of her life in pain, with a cockeyed appearance. But to paleontologists, she left behind something beautiful.
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New ‘Sword-Horned’ Dinosaur Unearthed in Utah
Because of its unusual horns, a new dinosaur species found in Utah has been named after a fearsome eponym: Cronus, the Greek god who castrated his father with a scythe.
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Dinosaur Fossil From Utah May Be Oldest Ceratopsid Ever Found
A 100 million-year-old fossil from Utah may be evidence of the oldest ceratopsid yet found.
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Tyrannosaur Tracks Discovered in Wyoming Reveal Dinosaur’s Speed
Dinosaur tracks discovered in Wyoming are the first known multiple footprints that can be attributed to Tyrannosaurus rex, researchers say.
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Strange Scrapes Discovered in Colorado Are First Evidence of Dinosaur ‘Foreplay,’ Study Says
Paleontologists believe the marks are evidence of what they call “prehistoric foreplay” among the dinosaurs of Cretaceous Colorado.
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New Dinosaur Discovered in Montana Reveals How Duckbills Got Their Crests
A huge dinosaur with distinctive headgear may have cut an unusual figure in its day 79 million years ago, but to scientists today, it fits as snugly as a puzzle piece in the history of its dinosaur family.
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Top 5 Fossil Finds in the American West in 2015
Enormous arthropods and dinosaurs that looked like ostriches are among the fossil finds that captured your imagination this year. Check out the five most-read paleontology stories of 2015, and learn all about the year’s top discoveries from around the ancient West.
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Dinosaur Discovered With Feathers, Skin Intact ‘Looked a Lot Like an Ostrich’
A uniquely well-preserved dinosaur found in Alberta is revealing never-before-seen traits that make the animal live up to its name: “the bird mimic.”
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Giant Feathered Dinosaur, With ‘Unprecedented’ Features, Discovered in South Dakota
Two “exceptionally large” feathered dinosaurs have been discovered in a quarry in South Dakota, a find that may help answer some crucial questions about life in the ancient West.
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