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.

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 ...

Geologists recently discovered the fossil of a Cretaceous-era mosasaur vertebra near Starkville, Mississippi. The experts believe the apex predator of the ancient seas could have weighed 20,000 pounds ...

The Western Interior Seaway, which existed roughly 80 million years ago, split North America into North and South. It was a ...

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 ...

A fossilized ancient egg discovered in Antarctica nearly a decade ago has finally been identified, shedding new light on ...

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Get ready for a subaquatic smackdown! It’s Megalodon VS Mosasaurus. One underwater arena. Two apex predators enter. One ...