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

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.

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 ...

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

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

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

ABC News’ Will Ganss is at in Citizens Bank Park where the Savannah Bananas will take on the Texas Tailgaters for a twist on the national pastime that has exploded in popularity.