For years, the "dueling dinosaurs" in a North Carolina museum were believed to be a Triceratops and Tyrannosaurus rex.
A new specimen of one of the most controversial species of dinosaur has the potential to overturn decades of research on the T rex.
A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming the land.
The Tyrannosaurus rex is often shown baring massive, sharp teeth, like the ferocious creature in "Jurassic Park." But new research suggests that this classic image might be wrong.The teeth on T.
Paleontologists in North Carolina say they have evidence that a tyrannosaur species coexisted with T. rex, a speedy and agile ...