A massive predator once roamed the Earth, towering over its rivals and casting a long shadow on the ancestors of T. rex. This ...

Fossils of the T. rex are increasingly becoming unavailable for research because of private collections, scientists warn in ...

Although T. rex is a household name, what we know about this tyrannosaur is constantly evolving. Improved technologies, such as biomechanical modeling and x-ray imaging, have allowed scientists to ...

Tyrannosaurus rex was the most formidable predator on Earth and often gets a starring role in Hollywood movies. In the movies, T. rex is often seen chasing down speeding cars in pursuit of a quick ...

There's a new T. rex in town. Paleontologists have discovered the heaviest Tyrannosaurus rex ever seen in the fossil record. This massive predator, nicknamed Scotty, weighed roughly 19,500 pounds ...