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 ...

Increasing acidity in the world’s oceans is changing the structure of sharks’ teeth and making them weaker, according to a ...

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 ...

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

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 ...

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 ...

One of the most recognisable and feared predators within our oceans is, of course, the shark, and this is because of its ...

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

Banning teeth does not stop sharks from being sharks. And banning plain speech does not make the public safer.

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 shark fossil found in Alabama dating back 65 million years is a new species, the nonprofit McWane Science Center in Birmingham announced this week. The fossils the center examined were unearthed ...