The nearly complete skull was found in 2001 in the Méndez Formation in Nuevo León, northeastern Mexico, dozens of kilometers ...

Extinct marine lizard the size of an orca with sharp teeth and a strong jaw was a top predator during the dinosaur age. When you purchase through links on our site, we may earn an affiliate commission ...

Geologists in Mississippi unearthed a large vertebra belonging to a Mosasaurus hoffmannii, a giant marine reptile from the late Cretaceous period. The discovered vertebra, potentially the largest ...

What if a giant sea reptile from the dinosaur era still existed in the ocean’s depths? The science says extremely unlikely tiny populations, no fossil trace, and no credible sightings. But the ocean ...

Fossils of a strange new species of marine lizard with dagger-like teeth that lived 66 million years ago, show a dramatically more biodiverse ocean ecosystem to what we see today. Paleontologists have ...

Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater rivers alongside dinosaurs and crocodiles. A massive tooth found in North ...