Narwhals use their tusks to bat around fish in first documented case of narwhal play.

seafarers brought these tusks home and passed them off as unicorn horns. "It almost seems like it was the strongest proof ...

With a fabled ability to purify tainted water or heal ailments, the narwhal's spiraling tusk was highly coveted during the Middle Ages when it was mistaken for a unicorn's horn.

Growing up to ten feet long, they were once believed by some medieval cultures to be the horns of ... surroundings. "Narwhals are known for their 'tusking' behavior, where two or more of them ...

The scientific name of the narwhal (Monodon monoceros) literally translates to "one tooth, one horn," an incredibly ironic name.

The underwater behaviour of the secretive narwhal has been almost impossible to study until now — but drone technology means ...

Screengrab from Florida Atlantic University, YouTube Humans have long been fascinated with narwhal tusks. During the Middle Ages, the long, spiraled teeth — mistaken for unicorn horns — were ...