What are the narwhals up to? Generally, we don't really know! They are mysterious creatures. NPR science correspondent Nell ...

Among the more bizarre aesthetic features found in the animal kingdom is the narwhal’s tusk. Protruding up to 10 feet from the whale’s head, the spiral of ivory has earned these creatures the ...

(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 ...

By Kaleigh Rogers For an animal with an ivory appendage half the length of its body protruding from the top of its head, a narwhal moves in the water with surprising grace. “It’s almost ...