“Narwhals are known for their ‘tusking’ behavior, where two or more of them simultaneously raise their tusks almost vertically out of the water, crossing them in what may be a ritualistic behavior to ...

With their long, spiral tusks, narwhals are like the unicorns of the sea. The iconic tusk is actually a tooth and is mostly seen in males. It can grow up to 10 feet long and is believed to play a role ...

Narwhals have been caught on camera colliding with deep ocean monitors. The mysterious toothed whale species native to the Arctic has been involved in "hundreds" of incidents with underwater recording ...

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

Narwhals have fascinated and confounded humans for centuries. Now an exhibition at Salem’s Peabody Essex Museum is diving into the mystery, history and science of these elusive tusked “unicorns of the ...

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 ...

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 ...

As much as I applaud scientific research that reveals nature’s secrets, I feel a sense of satisfaction when some natural mysteries remain mysteries. The narwhal is my favorite example. Narwhals are a ...