There are literally decades of research... based on a premise that this article overturns,” said one paleontologist.

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

In 1991, paleontologists discovered the fossilized remains of an enormous Tyrannosaurus rex that would have weighed nearly 20,000 pounds when it roamed around Canada roughly 66 million years ago.

Dim-witted dope or brainy brawn? The debate over T. Rex's smarts continues, with a recent paper leaning toward the original theory that these fearsome giants weren't all that bright. "The ...

The next time you go shopping for a new purse, your choices could go beyond traditional materials such as leather, nylon, cotton and polyester to include … Tyrannosaurus rex skin? Yes, the remnants ...

The set consists of 3,145 pieces and is designed for the 18+ age group, meaning it’s meant for display rather than play. It also may include some more advanced building techniques that may be tough ...

Paleontologists in North Carolina say they have evidence that a tyrannosaur species coexisted with T. rex, a speedy and agile ...