Fossils from Montana show a small oviraptorosaur with a jaw that slid front to back, a feature shared with fruit-eating parrots.
Infernogallus jamesi,...
Paleontologists studying Cretaceous fossils have repeatedly found that the teeth of many ancient animals contain more of a heavier carbon isotope, carbon-13,...
Microbiologists have discovered a new species of heat-loving amoeba that divides at 63 degrees Celsius (145 degrees Fahrenheit) and remains motile up to...
A new analysis of Tyrannosaurus rex teeth indicates the ancient predator maintained a body temperature of about 36.3 degrees Celsius (97.3 degrees Fahrenheit),...
Paleontologists have identified a new species of extinct alligatorid that lived in what is now Colorado just a few hundred thousand years after the asteroid...
Paleontologists in Montana have discovered remarkably preserved feathers of an ancient aquatic bird inside a fossilized dinosaur dropping, offering rare...
Paleontologists in North Dakota have unearthed a set of 66.5-million-year-old fossilized footprints that can be confidently attributed to a full-grown...
Long before Europeans arrived, cacao (Theobroma cacao) may have traveled far beyond its Central and South American homeland to reach Etowah, a major Mississippian-period...
Paleontologists have described a new genus of small, bird-like dinosaur that lived in what is now New Mexico approximately 73 million years ago.
Life reconstruction...
Paleontologists studying the La Brea Tar Pits, one of the world’s richest Ice Age fossil sites, have identified a previously unknown species of spadefoot...
Paleontologists working in southern Wyoming have identified a previously unknown species of omomyid primate, adding a new chapter to the story of one of...
Thousands of fossilized bones from a Cretaceous-period bonebed in Wyoming, the United States, offer rare physical evidence that Tyrannosaurus rex fed on...
New research suggests that the first widespread human cultures in the Americas were not opportunistic foragers who ate whatever they could find, but specialized...
For decades, the discovery of stone spear points lying next to proboscidean (mammoth, mastodon, and gomphothere) bones has been treated as archaeology’s...
A nearly complete skull unearthed decades ago in Arizona has given paleontologists their clearest look yet at Adelphailurus kansensis, an enigmatic felid...
Fossils from the Jose Creek Formation in New Mexico reveal that angiosperms (flowering plants) had built dense, fruit-bearing forests nearly 75 million...
Paleontologists from the Field Museum of Natural History have described the fossilized remains of baby embolomeres, crocodile-like predators that prowled...
By studying fungal microfossils in 66-million-year-old rock samples from the Denver Basin in Colorado, Johns Hopkins University microbiologists have confirmed...
