Two duck-billed dinosaur carcasses were preserved in a thin layer of clay for 66 million years. Now,...
Cretaceous
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Researchers discovered two previously unknown species of parasitic fungi inside ancient amber fossils.
The footprint was likely left behind by a 19-foot-long spiky dinosaur with a sledgehammer-like tail club.
Researchers suggest that ground-based mammals fared better than their arboreal relatives during the end-Cretaceous extinction thanks to...
