This video breaks down how mosasaurus rose to dominance and reshaped marine ecosystems during the late Cretaceous. Its size, mobility, and hunting mechanics allowed it to outperform nearly every ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. About 72 million years ago, a mosasaur the size of a modern great ...

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 ...