NPCA shares the latest archaeological discovery at Mammoth Cave National Park, which has a pretty fascinating human history, too.

Sea otters have powerful teeth and even more powerful bites – an estimated 615 pounds of force. That’s about as much as a ...

For the first time ever, scientists have recorded a species of shark actively producing a sound. And it's not what you'd ...

New research suggests that the prehistoric megalodon, the biggest shark known to have existed, was even larger than we ...

“These gentle giants are typically found in cooler waters, and are rarely spotted in waters off California, raising curiosity ...

A Saint John auction house has opened online bidding on a collection of megalodon shark teeth that are millions of years old. Sarah Jones, curator at Jones Auction House, said interest has already ...

(Graham Thompson/CBC) A Saint John auction house has opened online bidding on a collection of megalodon shark teeth that are millions of years old. Sarah Jones, curator at Jones Auction House ...

In the depths of the world's longest cave, researchers have uncovered the fossilized remains of a 340-million-year-old shark. This small predator, named Clavusodens mcginnisi, intrigues with its ...

Megalodon was likely a long, streamlined predator, not a bulky giant. Scientists compared its bones with modern sharks.

Plus, you won’t have to wait long to see a difference in your tooth shade, as many of these effective formulas deliver brightening results in a few weeks or even less. When it comes to the ...

The now-extinct megalodon shark may have been larger than first believed, reaching lengths of 80 feet (24.3 meters), ...