A giant ocean predator that terrorised the seas during the time of the dinosaurs may have also hunted in rivers, a tooth fossil discovered in North Dakota suggests. The extinct lizard-like reptile ...

Geologists working in Mississippi recently stumbled upon an incredible find: the fossil of an ancient marine apex predator. They uncovered a piece of vertebra they said likely belonged to a mosasaur, ...

The Pembina Gorge offers everything from 80-million-year-old mosasaur bones to the beauty of steep valley cliffs towering over small, isolated prairies and pockets of wetlands. Pembina Gorge in ...

Millions of years before jazz filled New Orleans streets or fishing boats were harvesting shrimp in the Gulf, Louisiana was home to terrifying sea monsters, a tenacious mammal and a seismic cataclysm ...

Ancient Antarctic Sea Monster May Have Laid This Football-Size Egg. A 68 million-year-old egg the size of a football — the ...