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

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

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

(WJW) — Scientists have discovered a new species of ancient shark. According to the National Park Service, the shark’s ...

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

A 340-million-year-old shark species has been identified through a fossilized tooth found in Mammoth Cave National Park, ...

A Louisville-born marine biologist brings real-world shark science to a reality TV competition — with a goal of global conservation.

LEXINGTON, Ky. (AP) A miner has found a fossil from a shark jawbone deep in a central Kentucky mine and now it is on display at the University of Kentucky. The fossil was found in February in Webster ...

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 ...

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

The species, Macadens olsoni, was found in the Ste. Genevieve Formation, rock layers dating back roughly 335 to 340 million ...