Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their ...

Sharks are famous for their fearsome teeth. That could change - Scientists have linked human activities including the burning ...

A brand new species of prehistoric shark has been discovered, and its teeth have a terrifying addition: their very own tiny fangs. The shark has been named Palaeohypotodus bizzocoi. Its genus name ...

MAMMOTH CAVE, Ky. (FOX 56) — A new species of ancient shark was recently discovered at Mammoth Cave National Park. Fossilized teeth of the “McGinnis Nail Tooth,” nicknamed the “Chipmunk Shark” due to ...

PHOENIX — Just when you thought it was safe to go back to northern Arizona comes word that sharks used to roam around Flagstaff. It was a long, long time ago. “[About] 260 million years ago, there was ...

An ancient shark older than forests still glides through deep oceans today. Its strange teeth, slow life cycle, and ...

STANFORD, Calif. (KGO) -- If you ever come face-to-face with the wrong kind of shark, there's something you probably want to avoid. Just a hint: they're long and really sharp. But now, researchers at ...

When sevengill shark carcasses with pectoral tears and missing livers began washing up on the South African coast, questions ...

A new species of ancient shark was identified by teeth found in a Kentucky national park. The teeth were found at Mammoth Cave National Park, which encompasses some of the Mammoth Cave, the largest ...

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 ...

An ancient shark called Glikmanius careforum was about 10 to 12 feet long and had a powerful bite. Paleontologists in Kentucky and Alabama discovered fossils belonging to three new ancient shark ...

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 ...