The curious minds at What If imagine an epic battle between a Megalodon shark and a massive Mosasaurus, exploring which prehistoric predator would dominate the oceans.

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. “This is a true, true sea monster,” Starnes recently told the local news outlet Hattiesburg American. “This [was] bigger than most ...

Researchers may have discovered Mississippi's largest ever mosasaur after pulling a Cretaceous-aged fossil out of a riverbed south of Starkville. When you purchase through links on our site, we may ...

STARKVILLE, Miss.—Scientists with Mississippi State University are playing a key role in an exciting new fossil discovery that’s close to campus, a discovery that may represent the largest mosasaur ...