The new fossil was unearthed in a remote part of Argentinian Patagonia—and had teeth comparable to a T. rex, says National ...

A comprehensive new analysis of the bite forces of 18 species of dinosaurs has revealed that, despite their size, several of the giant prehistoric predators packed much weaker bites than previously ...

WASHINGTON, Aug 15 (Reuters) - Tyrannosaurus subdued prey with raw power, using bone-crushing bite force. But other meat-eating dinosaurs that rivaled T. rex in size used different approaches.

Picture you're sitting in the plush seats of a movie theater. There's popcorn in your lap and a pack of Sour Patch Kids next to you. On screen you're staring at an enormous T-Rex chasing its prey.