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 ...

Despite multiple mass extinctions, the frilled shark has managed to thrive for 100 million years. Today, it remains one of evolution’s most haunting survivors. Long before forests reshaped Earth’s ...

Add Yahoo as a preferred source to see more of our stories on Google. Before the famously huge megalodon, another fearsome ocean predator roamed the seas. According to a paper published earlier this ...

More than 100 million years ago, scientists say, warming seas and reduced oxygen may have sent some sharks higher into the water column, where they evolved to be fierce and hungry. By Jeanne Timmons ...

Biodiversity loss isn’t just about losing species — it’s about losing the evolutionary traits and ecological roles that make those species unique. A new study on requiem sharks (Carcharhinus) shows ...

150-million-year-old shark fossil in Germany defies classification. Bavariscyllium fossil reveals unique features and sensory organs. Study suggests shark evolution is more complex than once believed.

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