Paleontology | featured news

Not every dinosaur grew up to be a mighty predator like Tyrannosaurus rex or a hulking vegan like Apatosaurus. A few stayed small, and some of the smallest dinosaurs that ever lived — tiny enough to nip at your heels — were among the first to spread across the planet more than 200 million years ago.

Paleontologists have found in the desert of Coahuila, a state in northern Mexico, fragments of vertebrae and long bones that could have belonged to a species of dinosaur that lived in the region 72 million years ago during the late Cretaceous period, officials said.

Though they are long gone, the giant plant-eaters can still make some noise, at least among paleontologists. Consider a report of five nearly ...

Paleontologists are reporting the earliest evidence to date for the emergence of dinosaurs, 250-million-year-old fossil footprints.

"Tyrannosaurs were more like wolves for most of their history," says paleontologist Stephen Brusatte of the American Museum of Natural History ...

When Nicholas Longrich stumbled upon a fossilized fragment from a previously unknown dinosaur genus in the basement of the American Museum of Natural History in New York, he rejected the traditions that usually govern dinosaur nomenclature.