This video examines how Mosasaurus compared to other marine predators of its time. Using visual segments from the clip, it ...

Millions of years ago, the megalodon shark was one of the scariest creatures to ever lurk in our seas. And even before that, ...

Mosasaurs mostly stuck to ocean habitats, but evidence now suggests they sometime ventured elsewhere. A tooth recently found in the famous Hell Creek formation in Montana suggests otherwise. According ...

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.