It's next to impossible to know what prehistoric animals sounded like, but by studying modern analogs, we may have a clue to T. rex's roar.

Fewer Tyrannosaurus rex fossils are available for scientific research because wealthy people are purchasing them for private ...

Tyrannosaurus rex was one of the most ferocious predators to ever walk the Earth. With a massive body, sharp teeth, and jaws so powerful they could crush a car, this famous carnivore dominated the ...