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 scientists are saying that those same ...

New research shows that losing threatened requiem shark species could erase millions of years of tooth evolution and squeeze ...

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 ...

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 ...

Endangered species are being sold online with UK-based firms illegally supplying seahorses, a BBC investigation finds.

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 ...

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 team of paleontologists identified a new species of extinct shark from Morocco’s phosphate mines. It is called Pseudocorax heteroserratus.

What kind of creatures were kicking about in the oceans 340 million years ago? We’ve now got a slightly clearer picture ...