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

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

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 ...

An underwater camera has captured footage of a critically endangered shark on the Welsh coast. The rare sighting shows an ...

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