A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk ...

Just in time for summer, the megalodon—the ancient, city bus-sized shark known as the “Megatooth”—has reared its ravenous snout. While the oceans are now safe from the Megatooth, which went extinct an ...

A tiny shark species dating back hundreds of millions of years has been identified at Mammoth Cave National Park in Kentucky, the National Park Service announced Monday. The identification was made ...