(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 ...

Many details have remained unknown about narwhals, the elusive tusked whales that dive in the icy waters of Canada’s High Arctic. But a new study from Florida Atlantic University is shedding lig ...

(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, ...