Have you ever seen a group of narwhals gather, such as they are in the above video? These unusual aquatic mammals are marked by a distinctive tusk, and are often claimed as the origin for unicorns, ...

Many details have remained unknown about narwhals, the elusive tusked whales that dive in the icy waters of Canada’s High Arctic. But a new study from Florida Atlantic University is shedding light on ...

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 ...