"Besides being huge, roughly twice the length of the largest great white sharks, T. rex appeared to be a much meaner animal ...

One of these, known as the Black Knight and also housed in the Perot Museum, has significant damage to its snout and jaw that ...

“Besides being huge, roughly twice the length of the largest great white sharks, T-rex appeared to be a much meaner animal ...

There's a new T. rex in the fossil record, only this one terrorized the ancient seas. New research led by scientists at the ...

Scientists figured out that the predators were lumped in with a previously named mosasaur species. The new one, called ...

A colossal new sea predator named Tylosaurus rex has been identified from fossils found in Texas, revealing a brutal 43-foot-long hunter that ruled ancient oceans 80 million years ago. The discovery ...

On Thursday, researchers at the American Museum of Natural History, the Perot Museum of Nature and Science, and Southern ...

Researchers describe Tylosaurus rex from more than a dozen previously known fossils and update dataset crucial for studying mosasaur evolution “Everything is bigger in Texas and that includes the ...

Mosasaurs are extinct marine lizards, spectacular examples of which were first discovered in 1766 near Maastricht in the Netherlands, fueling the rise of the field of vertebrate paleontology.

You wouldn’t want to swim in Late Cretaceous seas. If you’ve seen the first Jurassic World movie, you’ll recognize a mosasaur as the creature that leapt from the water to eat a great white shark. That ...

Long before humans existed, giant marine predators ruled the warm prehistoric seas that once covered much of North America. Among them was a newly identified species called Tylosaurus rex, a massive ...

Mosasaurs were true sea monsters of late Cretaceous seas. These marine lizards -- related to modern snakes and monitor lizards -- grew as long as fifty feet, flashed two rows of sharp teeth, and ...