(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, ...

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 ...

Take a behind-the-scenes look at the development process behind the new exhibition, “Narwhal: Revealing an Arctic Legend” on view at the Smithsonian’s National Museum of Natural History. Laura ...

Narwhals are among the most elusive of whales. But for the first time, researchers have been able to eavesdrop on the creatures for days at a time as these unicorns of the sea dove, fed and socialized ...

Narwhals are some of the most elusive creatures in the ocean, spending most of their lives in deep water far from shore. But new research may shed a bit of light on these enigmatic marine mammals.

Narwhals, bizarre-looking animals with enormous tusks protruding from their faces, have a surprising adaptation when trying to escape from predators, according to new research. Their heart rate dips ...

When escaping from humans, narwhals don’t just freeze or flee. They do both. “That was astounding to us because there are other marine mammals that can have heart rates that low but not typically for ...

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 ...