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. As narwhals (Monodon ...

First of all, the “horn” is actually called a tusk – which makes me wonder whether or not a unicorn would have a horn or a tusk, should one actually exist out there. But that’s a topic for another day ...

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 ...

Narwhal tusks are the stuff of legends, literally. Growing up to ten feet long, they were once believed by some medieval cultures to be the horns of mythical creatures like the unicorn — not to ...

We’re taking a polar plunge into the science of sea unicorns, also known as narwhals! Narwhals are mysterious arctic whales with long, twirly tusks protruding from their foreheads, like a creature out ...

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 ...

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 ...