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 ...

(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, ...

Researchers have used mathematical models based on chaos theory to analyze the movements of a pod of satellite-tagged narwhals. Around solar noon, narwhals rest nearer the surface and take deep dives.

Narwhals are important to aquatic ecosystems as they control prey populations and contribute to nutrient cycling. The absence ...

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 ...