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

The narwhal (Monodon monoceros), an iconic whale of remote Arctic waters, is widely known for its long, spiral tusk, which is ...

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 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 ...

(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, ...

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 ...