Tyrannosaurus rex was a huge land predator during the twilight of the age of dinosaurs. But it was not the only T. rex that terrorized the Cretaceous Period. ​There also was a marine reptile named ...

New research suggests the predatory dinosaur’s famously small limbs weren’t just an evolutionary fluke – but a direct ...

Gus is about 12.5-feet-tall, 38-feet-long, and could fetch the highest price for any dinosaur ever sold at auction.

There’s a newly crowned T. rex. This one, called Tylosaurus rex, was a tyrant of the sea and mosasaur spanning up to 43 feet ...

An analysis of 85 dinosaur species shows that tiny forearms in meat-eating dinosaurs were the result of an evolutionary trade ...

Scientists figured out that the predators were lumped in with a previously named mosasaur species. The new one, called Tylosaurus rex, could grow to 43 feet long, about the length of a school bus ...

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 ...