(CNN) — Scientists say they have the first recorded video evidence of narwhals using tusks not only to strike and manipulate fish during feeding but also engage in what appears to be playful behavior, ...

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 ...

Narwhals (Monodon monoceros L.) occur in the Atlantic sector of the Arctic where for centuries they have been subject to subsistence hunting by Inuit in Greenland and Canada. Scientific advice on the ...

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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. (CNN ...