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 ...

Researchers have long debated what the 10-foot-long tooth that erupts from a narwhal’s head is actually for. Perhaps it has something to do with sexual selection, and males with longer horns attract ...

Narwhals are incredibly elusive, living in some of the most remote and frigid waters on Earth, making them notoriously difficult to study. Now, a breakthrough study has revealed exactly what these ...

The long, spiral tusks of narwhals could be used by these Arctic whales to stun or even kill prey, according to wildlife researchers who have spied on these elusive creatures using drones. They ...

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 light on ...

(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, ...