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 ...

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

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 ...

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 ...