A team of scientists discovered a new species of shark preserved in the walls of Mammoth Cave, an underwater cave system ...

This is the second ancient shark species recently found in a rock layer in Mammoth Cave National Park. New details emerge ...

MAMMOTH CAVE, Ky. — A new-to-science species of ancient shark was recently discovered in Mammoth Cave National Park in ...

A new species of shark was discovered in Kentucky's Mammoth Cave National Park.The ancient shark is called a "Macadens Olsoni."Experts say it had a distinct curved row of teeth, used to crush small ...

An underwater camera has captured footage of a critically endangered shark on the Welsh coast. The rare sighting shows an ...

New species of shark discovered at Kentucky's Mammoth Cave National Park ...

The fossilized tooth of a newly discovered ancient shark species – dating back about 340 million years – has been unearthed ...

The ancient shark species, known as Macadens olsoni, “is notable for its unique tooth whorl, a curved row of teeth designed ...

Move over Deep Blue See, Shark Dentist will put you in the shoes of the most unfortunate veterinarian ever.

“ Macadens olsoni is notable for its unique tooth whorl, a curved row of teeth designed for crushing small sea creatures.

It's Shark Week, and Mammoth Cave took the unofficial holiday to announce the discovery of a ancient shark species.

A new species of ancient shark has been discovered at Mammoth Cave National Park in Kentucky, officials said.