National Park Service researchers have identified a previously unknown shark species in the limestone walls of Mammoth Cave, ...

The National Park Service has announced another ancient shark discovery at Mammoth Cave in Kentucky. The latest find, named ...

A newly identified ancient shark species, Macadens olsoni, has been at Mammoth Cave National Park. The National Park Service ...

The Macadens olsoni fossils were found in the Ste. Genevieve Formation, which dates back approximately 340 to 335 million ...

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

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

A groundbreaking discovery in Mammoth Cave reveals a new species of ancient shark, offering a glimpse into the diverse marine ...

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

A newly identified species of ancient shark has been discovered at Mammoth Cave National Park, marking another significant ...

Researchers have found an ancient shark fossil in Kentucky’s Mammoth Cave, offering new insight into prehistoric marine ecosystems.

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

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