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

The Texas fossils were noticeably different from similar specimens found in Kansas. They were larger, had serrated teeth and ...

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

At least five groups of two-legged, mostly meat-eating theropod dinosaurs experienced a shortening of the upper arms over the ...

We all know about the dinosaur called the Tyrannosaurus rex, also known as the T. rex, which is famous for its large head and ...

Long before humans existed, giant marine predators ruled the warm prehistoric seas that once covered much of North America.

A new exhibition, Jurassic Oceans, showcases the fearsome creatures that lurked below the surface – and offers a stark warning about the impact of warming waters on marine ecosystems today ...

Researchers at SMU and the Perot Museum have identified a new species of mosasaur, a 'T. rex of the sea' that lived alongside ...

A new type of dinosaur, believed to be the largest ever discovered in Southeast Asia, has been identified. The identification ...

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

They're calling it the "last titan" of Thailand. The sauropod — an herbivore with a long neck and tail — comes from the late ...