Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...

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 ...

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 ...

Molly Sampson told her mother that she wanted to find an extinct "meg" fossil while searching for at a local beach on Christmas morning — then did just that Jason Hahn is a former Human Interest ...

Fossils have a way of captivating everyone, no matter their profession or the species unearthed, but ... More there’s something about Megalodon that grips the imagination like no other.

A new study suggests the extinct megalodon shark species was larger than previously believed, with a potential length of up to 24 metres and weight of 94 tonnes. (Graham Thompson/CBC) A Saint John ...

The federally endangered smalltooth sawfish, which was approximately 14-feet long, had the tip of its long flat snout tangled ...