During the Cretaceous Period, a genus of sharks roamed the sea with rows of unusual teeth. Mostly large and rounded, these chompers were not meant to slice through their prey, but to grind and crush ...

Learn how newly discovered vertebrae from a 6- to 8-meter shark pushes the origin of mega-predators back by 15 million years.

Long before modern great whites prowled the seas, a colossal shark cruised the warm shallows off northern Australia. Its ...

The fossil of a huge great white shark relative that lived among the dinosaurs has been discovered in Mexico. The discovery was made in a limestone quarry to the country's northeast by an ...

However, the recent discovery of fossils dating back 120 million years challenges this notion. The fossils consist of large vertebrae found in the Darwin Formation, which suggest that these colossal ...

In the vast expanse of time, some mysteries persist longer than others. For paleontologists, the prehistoric shark genus Ptychodus has been dubbed a paleontological mystery — a puzzle missing crucial ...

New research reveals sharks and rays have been declining for 45 million years, offering key insight into today’s accelerating ...

Ancient underwater volcanic eruptions may have made modern day sharks more fierce then their predecessors, a new study has found. The infamous shark species we know of today evolved from stubby bottom ...

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