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

Scientists have linked human activities including the burning of coal, oil and gas to the ongoing acidification of the ocean ...

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 ...

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 ...

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

Editor’s note: Every year, hundreds of undergraduates at the University of Delaware pursue research under the guidance of a faculty mentor. Such experiences provided by UD — a nationally recognized ...

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 ...

The study found that as acidity increases, shark teeth could become structurally weaker and more prone to cracking and breaking. This could eventually threaten sharks’ position at the top of the ...

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 ...