Imagine swimming in the ocean and suddenly spotting a creature larger than any shark, faster than any human can sprint, and more vicious than any predator alive today. Meet the Mosasaurus, a marine ...

Geologists working in Mississippi recently stumbled upon an incredible find: the fossil of an ancient marine apex predator. They uncovered a piece of vertebra they said likely belonged to a mosasaur, ...

A recent investigation demonstrates that mosasaurs, previously considered solely marine reptiles, managed to flourish in freshwater rivers during their last million years, just before extinction over ...