The clicking of flattened teeth, discovered by accident, could be “the first documented case of deliberate sound production in sharks,” evolutionary biologist Carolin Nieder, of Woods Hole ...

The fossilized remains of a newly discovered ancient shark species found in the depths of Kentucky’s Mammoth Cave National Park reveal not the sharp, pointy gnashers you’d associate with Hollywood’s ...

A Saint John auction house has opened online bidding on a collection of megalodon shark teeth that are millions of years old.

How does the armored tiling on shark and ray cartilage maintain a continuous covering as the animals' skeletons expand during ...

Professor Mason Dean researches how armoured tiling on shark and ray cartilage maintains continuous covering as the animals' ...

Kevin O’Leary, the outspoken investor from Shark Tank, is known for his sharp business skills and no-nonsense attitude.

Everyone's favorite prehistoric shark may have been much sleeker and much larger than previously thought. A new study ...

What’s more, he and his coauthors posit that megalodon was slenderer than previously thought, closer in build to a sleek lemon shark than a chunky great white, according to the study published ...

MAMMOTH CAVE NATIONAL PARK, Ky. – 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 ...

A surfer who was attacked by a shark off the coast of Australia on Monday is presumed dead, police said Tuesday. Officials received reports of the attack around 12:10 p.m. local time on Monday ...

Replacement cartilage engineered from the nasal septum -- the cartilage wall that separates the left and right airways in your nose -- can be used to repair even the most complex knee injuries, ...