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

Until now, these terrifying giant aquatic reptiles with a bulky skull and powerful jaws were thought to be sea-dwelling ...

A surprising fossil find shows that some mosasaurs lived in ancient rivers as oceans changed near the end of the Cretaceous.

A giant ocean predator that terrorised the seas during the time of the dinosaurs may have also hunted in rivers, a tooth ...

The discovery In May 1925 provided fodder for the argument between creationists and evolutionary biologists, but what does ...

In the age of dinosaurs — before whales, great whites or the bus-sized megalodon — a monstrous shark prowled the waters off ...

In the age of dinosaurs - before whales, great whites or the bus-sized megalodon - a monstrous shark prowled the waters off ...

A new study shows that Cleveland's famous sea monster Dunkleosteus terrelli actually had a more normal size and jaw than ...

Legend once had it that the huge, three-toed footprints scattered across the central highlands of Bolivia came from ...