An extremely rare pregnant Tyrannosaurus Rex dinosaur skeleton first found in Montana has gone on display, but Americans wanting to check it out for themselves might have quite a journey on their ...

Tyrannosaurus rex was a fearsome creature: 12 feet tall, 40 feet long, weighing over 10,000 pounds, with razor-sharp teeth as ...

As the apex predator of the Cretaceous period, the Tyrannosaurus Rex has become an enduring symbol of power and ferocity since its real-world discovery in 1902. The ...

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 ...

A provocative study published earlier this year proposed that the world’s best-known and perhaps best-loved dinosaur, Tyrannosaurus rex, was actually three separate species. Not so fast, says new ...

WASHINGTON (Reuters) -Tyrannosaurus subdued prey with raw power, using bone-crushing bite force. But other meat-eating dinosaurs that rivaled T. rex in size used different approaches. Giganotosaurus ...