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

The find adds to Big Bend NP's long-held reputation as a hotspot for dinosaur fossils. Previous discoveries at the park ...

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

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be ...

A fossil from one of the largest dinosaurs ... a long-necked dinosaur that lived in North America during the Cretaceous Period,” the release said. The Cretaceous Period ended 66 million years ...

The investigation began when Charles Helm, a co-author of the study and a scientific advisor at Tumbler Ridge Museum, documented three-toed tracks around Tumbler Ridge, a municipality in the foothills ...

Fossils from the late Cretaceous are less likely to be discovered, say researchers, primarily because of fewer locations with ...