For decades, motorists speeding down Interstate 90 in west-central South Dakota have done double takes at a towering human skeleton leading a T. rex on ...

Paleontologists have long hailed Tyrannosaurus rex as king of the dinosaurs. Now, the name "T. rex" also belongs to a newly ...

Long before humans walked the planet, Earth belonged to creatures that looked straight out of a sci-fi film. Giants resembling dinosaurs, but with absurdly long necks; giant fish that could even walk ...

Researchers say the newly identified Tylosaurus rex was one of the largest and most dangerous marine predators of the Cretaceous Period.

Tyrannosaurus rex possessed a preposterously massive skull - 5 feet long (1.5 meters) and built to enable bone-crunching bite ...

A new study documents that the robustness of skulls in carnivorous dinosaurs began to evolve first, a direct response to the increasing size of the plant-eating dinosaurs they hunted, shortly after di ...

This newly identified apex predator roamed the prehistoric oceans nearly 80 million years ago, growing to a length of 43 feet ...

Scientists have identified Tylosaurus rex as a massive marine predator that rivalled Tyrannosaurus rex in size, ruling ...

A gigantic fossil of a 67-million-year-old T. rex will soon be up for grabs via Sotheby’s this July. Known as “Gus,” the ...

There’s a newly crowned T. rex. This one, called Tylosaurus rex, was a tyrant of the sea and mosasaur spanning up to 43 feet ...

A newly identified ocean predator from prehistoric Texas is giving the name "T. rex" a whole new meaning. Scientists say a ...