As vast and as undiscovered as the oceans might be, there is little to no hope that colossal, ancient sharks, plesiosaurs, mosasaurs or even evolved dinosaurs are out there, lurking in the abyssal ...

On a riverbank in Mississippi, State Survey geologists found a ginormous fossil vertebra of a giant sea lizard called a ...

It was capable of growing beyond 30 feet in length and weighed around 10 tons—a mature elephant plus a sedan car.

The remains of a Mosasaurus hoffmannii, commonly known as a giant mosasaur, have been found in the Mississippi River, resembling a gigantic aquatic dragon from the Late Cretaceous, ...