A rendering of Clavusodens mcginnisi, or “McGinnis’ nail tooth,” an ancient shark that stalked the ocean floor 340 million years ago. Rendering courtesy of the National Park Service A shark no larger ...

Scientists have discovered a colossal shark that lived 115 million years ago, long before Megalodon. Using rare fossilized vertebrae and modern imaging, researchers reconstructed this ancient apex ...

Another new species of ancient shark has been discovered at Mammoth Cave National Park.According to a post from the park, an ongoing Paleontological Resource Inventory discovered the new species while ...

Most kids have a natural curiosity about sharks − especially their sharp and abundant teeth. Our team had the idea to use the appeal of this charismatic apex predator to teach how scientists use ...

A tiny shark species dating back hundreds of millions of years has been identified at Mammoth Cave National Park in Kentucky, the National Park Service announced Monday. The identification was made ...

Otodus megalodon was the largest predatory fish in Earth's history. Measuring up to 24 meters, it was longer than a truck with a trailer and weighed almost twice as much. Embedded in its jaws were ...

Christine Wusylko works for the University of Florida and receives funding from the NSF. Pavlo Antonenko works for the University of Florida and receives funding from the NSF. Most kids have a natural ...

Ancient marine animals called conodonts possessed incredibly sharp feeding elements. New research shows these extinct creatures had sharper tips than any living vertebrate. Scientists used advanced ...

Researchers in New Zealand found that a small species of shark makes noises with their teeth when touched by humans Charlotte Phillipp is a Weekend Writer-Reporter at PEOPLE. She has been working at ...

(CNN) — How will the climate crisis affect one of the ocean’s fiercest predators? New research published Wednesday has examined what might happen to sharks’ highly specialized, flesh-cutting teeth. As ...