From the depths of a Mississippi riverbed, scientists unearthed a giant vertebra that may belong to the largest mosasaur ever discovered in the state. This predator, Mosasaurus hoffmanni, was the last ...

There are giant squid in Kansas. They are not pickled museum specimens rescued from a Newfoundland beach, nor, b-movie schlock like Eye of the Beast aside, are they monsters that found their way into ...

Fossils of a giant killer mosasaur have been discovered, along with the fossilized remains of its prey. At the end of the Cretaceous period, 66 million years ago, sea monsters really existed. While ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s illustration of two Jormungandr walhallaensis mosasaurs fighting. “If you put flippers on a Komodo dragon and made it ...

Kaikaifilu is a new species of giant sea lizard (mosasaur) discovered in 66-million-year-old rocks of Antarctica. At about 10 meters long, it is the largest known top marine predator from this ...

A giant mosasaur from the end of the Cretaceous period in Morocco that could have reached up to eight meters long is the third new species to be described from the region in less than a year, bringing ...

Equipped with powerful jaws and finely serrated teeth, paleontologists say the 43-foot-long prehistoric marine reptile deserves the name Tylosaurus rex. After remeasuring dozens of mosasaur specimens ...