Just like a tree trunk, the tusk of the narwhal acquires a new growth ring every year. Analyses of those rings have now revealed some interesting facts about the animals' diet, and about changes in ...

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 ...

It’s got a single tooth – one that shoots straight out of its head. But this tooth isn’t used for chomping and chewing. It's more like a spear. And much like the creature itself, it's a thing of ...

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 ...

An icon in the shape of a lightning bolt. Impact Link The magnificent narwhal — a beast that has inspired monarchs and intrigued scientists — has quite the reputation. The spotted whales, found mostly ...

Narwhals breaching for air in an open space in the Arctic sea ice. (Photo by Glenn Williams) Swimming in the frigid waters of the Arctic and surfacing in narrow gaps in the sea ice to breathe, the ...

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