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 ...

Geologists recently discovered the fossil of a Cretaceous-era mosasaur vertebra near Starkville, Mississippi. The experts believe the apex predator of the ancient seas could have weighed 20,000 pounds ...

Architeuthis dux, better known as the giant squid, is likely the inspiration for the legendary kraken. The Granger Collection, New York There are few monsters left in the world. As our species has ...

A new discovery has revealed a previously unknown species of mosasaur, Jormungander walhallaensi, shedding new light on the oceans of the Late Cretaceous period. Named after the legendary Norse sea ...