About 68-million-years ago, during the Late Cretaceous, a giant fossil egg was laid in Antarctica. The excavated remains ...

For more than two centuries, scientists have argued over where dinosaurs came from and how a scattered set of bones turned ...

Tens of millions of years ago, a diverse array of bird species soared, swam, and thrived amid their scaly reptile cousins—and ...

_Eoraptor lunensis_ lived roughly 230 million years ago, at a time when dinosaurs were small and rare. Jordan Harris courtesy of Kristi Curry Rogers, CC BY-SA It may be hard to imagine, but once upon ...

Dinosaurs ruled Earth for millions of years, but according to the most widely accepted theory, a massive asteroid wiped them ...

Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater ...

A 246 million-year-old reptile fossil discovered by scientists in New Zealand has been identified as the oldest marine reptile fossil found in the Southern Hemisphere, according to a Swedish museum.

So Dilophosaurus is no longer believed to have been venomous; but what about other dinosaurs?  In 2009, a small, feathered carnivore from Cretaceous China called Sinornithosaurus was also speculated ...

Had a volcano-driven mass extinction not occurred at the end of the Triassic 201 million years ago, we likely would have had something closer to an Age of Crocodiles than the Age of Dinosaurs that ...

A new study led by a researcher from the School of Zoology and the Steinhardt Museum of Natural History at Tel Aviv ...

Where they lived: Dinosaur fossils have been found on every continent, including Antarctica. What they ate: Some ate plants, while others ate animals, including other dinosaurs. How big they were: The ...