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 ...

Millions of years ago, giant sharks three times larger than today’s great whites stalked the world’s ocean. They’re long gone now, but occasionally, someone walking on a beach spots an odd triangular ...

Sharks are known for their razor-sharp teeth, but a new study warns that rising ocean acidity could leave even the sea’s fiercest predators with weaker, more brittle bites. At the heart of the problem ...

A striking deep-sea shark with protruding teeth and large eyes has been caught by a fisherman in Australia, prompting discussion over what species the mysterious animal belongs to. On September 12, ...

SCITUATE, MASS. (WHDH) - A great white shark was spotted off the coast of Scituate weeks ago, flashing its sharp teeth at a camera, according to the Atlantic White Shark Conservancy. When AWSC staff ...

Research drawing on high-resolution microscopy and quantitative comparison, published in The Royal Society Publishing, has shown that the tips of some conodont elements were sharper than the teeth of ...

From colorful displays to aggressive fights, mating rituals vary widely across the animal kingdom. But one of the strangest comes from male ghost sharks – also known as chimaeras – who use their teeth ...

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 ...