Rare fossils from Kentucky’s Mammoth Cave have unveiled three never-before-seen prehistoric sharks, revealing a lost tropical ...

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.

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 ...

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

Tropical activity is picking up in both the Pacific and Atlantic basins as a massive heat dome sends temperatures soaring ...

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

A man and woman were found dead on a walking trail in Devil’s Den State Park on Saturday afternoon, Arkansas State Police said, adding that a suspect is being sought and the deaths are being ...

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