Scientists figured out that the predators were lumped in with a previously named mosasaur species. The new one, called ...

The newly described mosasaur Tylosaurus rex spanned up to 43 feet (13 meters) long and may have been one of the fiercest ...

A new giant marine reptile, Tylosaurus Rex, has been discovered. Fossils found in Texas reveal this predator ruled the oceans ...

There's a new T. rex in the fossil record, only this one terrorized the ancient seas. New research led by scientists at the ...

Just when you thought it was safe to go back in the water, scientists have discovered a giant, bus-size sea predator that was ...

The study team said they were not the first to recognise the creature as a separate species.

"Besides being huge, roughly twice the length of the largest great white sharks, T. rex appeared to be a much meaner animal ...

Scientists discover new marine T rex that was twice the size of great whites and ‘meaner than any mosasaur’ - Researchers say species had finely serrated teeth and was formidable marine predator ...

It's known as the "Dueling Dinosaurs" fossil: A triceratops and a tyrannosaur, skeletons entangled, locked in apparent combat right up until the moment of their mutual demise. Even in the Hell Creek ...

Despite the fact that much of the current research in paleontology focuses on trying to find traces of organic remains in fossils, dinosaur DNA has unfortunately never been recovered. A new study by ...

A new study suggests T rex's short forelimbs were an evolutionary adaptation to prevent accidental amputation during group ...