Tylosaurus rex rewrites the story of giant sea predators, not just for its size but for what its bones reveal about mosasaur ...

A newly identified mosasaur from Texas suggests that some ancient marine predators were larger, more powerful, and possibly ...

Ancient oceans were filled with massive, fearsome creatures. Based on sheer size alone, these animals put today’s aquatic giants to shame. One such creature is a newly named “sea tyrant” that ruled ...

During the Late Cretaceous era, much of modern-day Texas lay beneath the Western Interior Seaway, a vast warm ocean filled ...

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

A new species of mosasaur — one of the largest marine reptiles ever documented ...

Not a dinosaur but a mosasaur — a gigantic ocean apex predator that lived about 80 million years ago Not a dinosaur but a mosasaur — a gigantic ocean apex predator that lived about 80 million years ...

Imagine swimming in the open ocean and suddenly coming face to face with a monster larger than any shark alive today. Faster than a speeding boat and armed with crushing jaws filled with razor sharp ...

On Thursday, researchers at the American Museum of Natural History, the Perot Museum of Nature and Science, and Southern ...

A colossal new sea predator named Tylosaurus rex has been identified from fossils found in Texas, revealing a brutal 43-foot-long hunter that ruled ancient oceans 80 million years ago. The discovery ...