Geologists near Starkville found a bone of a Mosasaurus hoffmannii, one of the biggest species of mosasaurs, which could reach lengths of 50 feet.

A fossil from one of the largest dinosaurs to live in North America was discovered in a national park in Texas.

Coelophysis is an early theropod dinosaur, a pioneering member of a group that will one day give rise to some of the biggest carnivores ever to live. He’s a lot more humble in his size, however, ...

The arrival of these two new species, which join the more than two hundred permanent inhabitants of Dino Parque Lourinhã, ...

The Carcharodontosaurus, a massive predator from the Early to Mid-Cretaceous period, roamed the Earth millions of years before the Tyrannosaurus rex. It was one of the largest carnivorous dinosaurs, ...

Learn why some dinosaurs had air sacs in their vertebrae and how it relates to modern day birds.