Add Yahoo as a preferred source to see more of our stories on Google. (CNN) — Scientists say they have the first recorded video evidence of narwhals using tusks not only to strike and manipulate fish ...

Narwhals are among the most mysterious animals in the ocean. Known as the “unicorns of the sea,” these Arctic whales carry a long spiral tusk that is actually an enormous tooth growing through the ...

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 ...

Scientists have found that narwhals are altering their steadfast migration patterns in response to climate change, offering some hope that the tusked whales and other species may be able to adapt to a ...

Narwhals are often referred to as the ‘unicorns of the sea’ because of the unicorn-esque tusks they grow on their heads. There’s no question that the narwhal’s discernible tusk makes it one of the ...

One of the most recognizable animals of the sea, the narwhal, is even more unique than their looks would suggest, according to a new study of their genetics released this week. It found that the ...

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 ...

A pod of narwhals in Scoresby Sound, East Greenland, where the study took place. (Photo by C. Egevang) A large male narwhal raises his tusk as he catches his breath before diving in Scoresby Sound.

(CNN) — Scientists say they have the first recorded video evidence of narwhals using tusks not only to strike and manipulate fish during feeding but also engage in what appears to be playful behavior, ...