A small dinosaur skull found in Montana 40 years ago was thought to be a young T. rex. Turns out it was a smaller, faster ...

A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming western ...

Perhaps we don’t know as much about the dinosaurs as we initially thought. Even the legendary Tyrannosaurus Rex, which is easily one of the best-known dinosaurs to walk the Earth, is hiding several ...

Tyrannosaurus rex, the fearsome carnivore depicted as fast on its feet in the "Jurassic Park" movies, may have been a bit of a slowpoke. A study suggests that at six tons and 40 feet in length, the ...

Tyrannosaurus rex, the fearsome carnivore depicted as fast on its feet in the "Jurassic Park" movies, may have been a bit of a slowpoke. A study suggests that at six tons and 40 feet in length, the ...

Tiny T. rex relatives once dominated the globe, a new tyrannosaur fossil reveals. The pint-size predator, found in what is now Victoria, Australia, is the first Tyrannosaurus rex ancestor unearthed in ...

Standing tall in the display room of the Field Museum of Natural History in Chicago, Illinois is Sue the T. Rex, an incredibly well-preserved specimen of everybody’s favorite dinosaur. But what you ...