Topic: paleontological research
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Wyoming's 'Dinosaur Mummies' Reveal Duck-Billed Dinosaur Secrets
The discovery of new "dinosaur mummies" in Wyoming provides an unprecedented look at the Edmontosaurus, revealing detailed skin texture and tail spikes that correct long-standing artistic inaccuracies. Researchers led by Paul C. Sereno excavated two exceptionally preserved Edmontosaurus fossils, ...
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Nanotyrannus: A Separate Species, Not a Young T. Rex
New research confirms that controversial dinosaur fossils belong to a separate species called Nanotyrannus, not juvenile Tyrannosaurus rex, reshaping understanding of tyrannosaur diversity in the Late Cretaceous. The study, led by Nicholas Longrich and Evan Saitta, used growth ring analysis to sh...
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Scientists Solve 150-Million-Year-Old Pterosaur Mystery
The Solnhofen Limestones in Germany preserve a 150-million-year-old Jurassic ecosystem, where violent tropical storms caused mass mortality events, particularly among young pterosaurs. Research on juvenile Pterodactylus antiquus fossils revealed wing bone fractures from storm winds, leading to dr...
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Dinosaur Eggshells Unlock the Age of Ancient Fossils
A new dating technique uses fossilized dinosaur eggshells to provide reliable absolute dates for entire fossil beds, overcoming the unreliability of traditional methods applied to bones and teeth. The method applies uranium-lead dating to the eggshells' unique calcium carbonate microstructure, wh...
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