Paleontologists believe the marks are evidence of what they call “prehistoric foreplay” among the dinosaurs of Cretaceous Colorado.
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T. Rex Fossil Found in Wyoming Reveals Cannibalism Among Tyrannosaurs
A fossil bone from a Tyrannosaurus rex, recently discovered in Wyoming sandstone, bears the telltale signs of having been gnawed and stripped clean of its meat — by another tyrannosaur….
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‘Remarkable’ Dinosaur Nest Discovered in Montana Suggests Some Dinos Re-Used Breeding Sites
A pair of fossilized dinosaur nests offer some of the strongest indications yet that certain dinos brooded their eggs, re-used their nests, and possibly defended their nesting territory much like…
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Allosaurus Died From Stegosaur Spike to the Crotch, Wyoming Fossil Shows
Analysis of an Allosaurus fossil from southern Wyoming shows that the giant meat-eater died from a painful wound that appears to be unique in the fossil record: a deep stab…
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Baby and Adult Dinosaur Tracks in Alaska Prove Duck-Bills Lived in ‘Social Herds,’ Study Says
Tiny baby dinosaur tracks discovered in Alaska may have big implications for our understanding of the giant herbivores that once roamed the Arctic, paleontologists say. The baby tracks are among…
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‘Unusual’ Fossil Egg Reveals Evolutionary Link Between Dinosaurs and Birds
Millions of years after the reptilian animals we know as dinosaurs disappeared, some of their traits persisted in surprising ways among their descendants — birds — a new fossil shows….
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Dome-Headed Dinosaurs Fought Skull-Cracking, Head-Butting Battles, Fossils Show
Offering a rare insight into specific — if somewhat self-destructive — dinosaur behavior, paleontologists say they think they’ve finally divined the purpose of the curious, bony crowns that once adorned…
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