Researchers have detected a 350-million-year-old shark fossil that lived in the Mammoth Cave System when it was submerged in ...

Scientists have uncovered a previously unknown species of extinct shark deep within the labyrinth of Mammoth Cave in Kentucky — the world’s longest known cave system. The species, named Macadens ...

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

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

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

U.S. Customs and Border Protection seized 77 pounds of cocaine worth more than $1 million at a port of entry in Texas, ...

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

Scientists have identified a new 335-million-year-old shark species, Macadens olsoni, under Mammoth Cave National Park—one of ...

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 ...

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

The new species is just one in a whole treasure trove of ancient sharks that have been uncovered within the world’s longest ...