Mosasaurs were some of the most fearsome apex predators to ever stalk the Cretaceous era’s oceans. And according to Mississippi Department of Environmental Quality (MDEQ) geologist James Starnes, a ...

Experts think the creatures adapted to river environments in the final million years before they became extinct.

A giant "sea dragon" backbone plucked from a riverbank in Mississippi could belong to the largest mosasaur ever found in the state, scientists say. Researchers only found a single vertebra from the ...

Mosasaurs, giant marine reptiles that existed more than 66 million years ago, lived not only in the sea but also in rivers. This is shown by new research based on analyses of a mosasaur tooth found in ...

GETTING VACCINATED. RESEARCHERS AT MISSISSIPPI STATE UNIVERSITY JUST PLAYED A PART IN A MASSIVE PREHISTORIC DISCOVERY. GEOLOGISTS AT MSU FOUND THE LARGEST MOSASAUR BACKBONE EVER UNEARTHED IN THE STATE ...

Researchers have revealed a previously unknown species of "giant sea lizard" with a fearsome set of "dagger-like" teeth that lived during the age of the dinosaurs. The new species, described in a ...

A previously unknown "formidable" sea predator that lived about 90 million years ago, during the age of the dinosaurs, has been discovered in Mexico. The newly identified species, named Yaguarasaurus ...

Learn how chemical clues reveal a mosasaur was hunting in freshwater rivers as the Cretaceous seaway receded.

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

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

A Mississippi paleontologist made a chance discovery of the skull of a mosasaur and scientists recently removed a large block of hard clay containing the skull along with other bones that were ...

Jormungandr, a 24-foot aquatic lizard that lived 80 million years ago, is found to be a transitional species between two well-known mosasaurs “If you put flippers on a Komodo dragon and made it really ...