At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs. Mosasaurs had long bodies and were related to both snakes and monitor lizards.

Add Yahoo as a preferred source to see more of our stories on Google. Mosasaurs mostly stuck to ocean habitats, but evidence now suggests they sometime ventured elsewhere. A tooth recently found in ...

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 ...

A terrifying 4-foot-long skull — with its giant teeth still attached — has been found in Northeast Mississippi by a paleontologist who literally stepped over it. George Phillips recalls he was ...

An enormous sea snake from Norse legend that was fathered by the trickster god Loki and grew big enough to circle the globe is now the namesake for a different type of “monster” — a newly discovered ...

A reconstruction of two Jormungandr walhallaensis mosasaurs fighting. Credit: Henry Sharpe Scientists have discovered a new species of mosasaur, large, carnivorous aquatic lizards that lived during ...

A mosasaur tooth discovered alongside a T. rex tooth and a freshwater crocodilian jaw in North Dakota raised new questions about the final days of the Western Interior Seaway. Stable isotope analysis ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Paleontologists in North Dakota have discovered new species of ...

The Hell Creek Mosasaur, reconstruction by Christopher DiPiazza. Please note that more images and a short video are available at this link: https://springernature-my ...