Fictional paleontologist Alan Grant, looking after kids Lex and Tim, tries to sneak by a dozing Tyrannosaurus rex and motor ...

Several adaptations in a T. rex’s head enable that smashing crunch. For one, the tyrant lizard has a long, deep snout made up of thick jaw bones, with very deeply rooted teeth.

T. rex’s supposedly wimpy arms have become a prehistoric punch line, ... The lizard king had darn good eyesight by dinosaur standards thanks to special adaptations in its skull.

A partial skull once believed to be from a T. rex is a newfound species, a study revealed. T. mcraeensis could shed light on why tyrannosaurs evolved into giants.

A transcontinental migration. The tyrannosaurids, the family of T. rex, may have crossed the Bering Strait over 70 million years ago. This land bridge, then temperate, connected Asia to North America.

A partial skull once believed to be from a T. rex is a newfound species, a study revealed. T. mcraeensis could shed light on why tyrannosaurs evolved into giants.