Newly published drone footage sheds light into narwhal behavior and provides the first-ever evidence of the animals engaging in play, according to a new study. Screengrab from Florida Atlantic ...

The cold waters of the Arctic are home to an unusual whale that you might have heard of, the narwhal. Narwhals have a long, sharp tusk that juts out of their heads. As NPR's Nell Greenfieldboyce ...

The long, spiral tusks of narwhals could be used by these Arctic whales to stun or even kill prey, according to wildlife researchers who have spied on these elusive creatures using drones. They ...

Humans have long been fascinated with narwhal tusks. During the Middle Ages, the long, spiraled teeth — mistaken for unicorn horns — were the prized possessions of European royalty. And in the 19th ...