Uncovering the specimen has been a long process—the excavators didn't really know what they had found until they could return the next summer and find the 2-foot-long toothy skull, which told them it ...

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. rex ...

However, there's a bit of a "wrinkle," according to Thomas Carr, T. rex expert and associate professor of biology at Carthage College in Wisconsin. That's because there's a gap in the fossil record ...

One Tyrannosaurus rex seems scary enough. Now picture 2.5 billion of them. That’s how many of the fierce dinosaur king probably roamed Earth over the course of a couple million years, a new study ...

If your image of Tyrannosaurus rex is based on the ferocious creature in "Jurassic Park," you've gotten quite a few things wrong about the "king of the dinosaurs." In recent years, paleontologists ...

Nearly 300 Tyrannosaurus rex bones that were dug up from three sites in the United States and assembled into a single skeleton sold Tuesday at an auction in Switzerland for 4.8 million francs ($5.3 ...

Paleontologists believe that the real T. rex sound was nothing like the roar you hear in the movies. But it's still terrifying! Since the T. rex is one of the most famous predators to ever live, film ...