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Ice protects narwhals from the orcas that sometimes attack their pods; the killer whales' high, stiff dorsal fins, which are like fearsome black pirate sails, prevent them from entering frozen waters.

This also happens during their lengthy migration season, with pods of narwhals taking to the waterways to travel around 1,100 miles on average to reach their summer destination. On the contrary ...

Narwhals, which are related to beluga whales, are found here and throughout other parts of Canada, Greenland, Alaska and Russia. Over several days, drones were flown over a pod of narwhals ...

(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 ...

Our marine mammal expert Richard Sabin takes us through what scientists know – and don’t know – about narwhals, also known as unicorns of the sea. Ask a world-leading scientist a silly question, get a ...