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 ...

Notable for “a unique tooth whorl,” the Macadens olsoni possessed a curved row of teeth that helped the tiny shark crush ...

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 lbs. of cocaine worth more than $1 million at a port of entry in Texas, officials said.