Why did T. rex have such tiny arms? Scientists now think it’s because its giant head became the ultimate hunting tool. Across ...

New study explains why T rex had such tiny arms: ‘The head took over’ - Researchers say giant head adaptations in dinosaurs ...

The evolution of tiny arms in several groups of meat-eating dinosaurs was likely driven by the development of strong, ...

The world's oldest found Tyrannosaurus rex is about to take flight. Trix, a 66-million-year-old female fossil found in Montana, will board a KLM Royal Dutch Airlines flight from Chicago to Amsterdam ...

The Tyrannosaurus rex seemingly came out of nowhere tens of millions of years ago, with its monstrous teeth and powerful jaws dominating the end of the age of the dinosaurs. How it came to be is among ...

It's a question that has baffled scientists for decades - why did T. rex have such tiny arms? Now, researchers from ...

Tyrannosaurus rex, the behemoth king of the late ages of the dinosaurs, grew its brain before its noteworthy body. That’s according to scientists at the Smithsonian’s National Museum of Natural ...

Dinosaurs haven’t roamed the Earth for millions of years, but the nature of their reign has sparked no shortage of controversial debates among paleontologists that remain unresolved today. Late last ...

Reconstructing the behavior of a predator that hasn't walked on the Earth in over 66 million years isn't easy. But the T. rex is such a compelling creature that paleontologists continue to pore over ...

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 ...