What is the point of a narwhal's signature tusk, which is actually just one, long spiraled tooth? The answer may be ...

Scientists discover narwhals putting their long tusks to surprising new use - Researchers spot complex interactions involving ...

Researchers observed a number of surprising behaviors by the ivory-sporting whales during an expedition with drones in the Canadian High Arctic.

Intriguing video of narwhals using their tusks to mess with fish has scientists speculating about what this behavior might ...