(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, ...

As much as I applaud scientific research that reveals nature’s secrets, I feel a sense of satisfaction when some natural mysteries remain mysteries. The narwhal is my favorite example. Narwhals are a ...

Footage captured by aerial drones as part of a narwhal research camp in Tremblay Sound, Nunavut, is giving biologists new insights into the behaviour of one of the world’s most mysterious whales.

You’d think that narwhals couldn’t be more enchanting. These elusive, ice-dodging, deep-diving whales have 10-foot snaggletoothed tusks, and they see with sound. But then there’s the narwhal of east ...

Narwhals may not be much good at hunting in summer, according to new research that warns the unicorn-tusked whales may be dangerously reliant on their ice-bound winter habitat that could "disappear" ...

Narwhals, often called the “unicorns of the sea,” are one of the most fascinating creatures in the ocean. Known for their long, spiraling tusks, these elusive animals have captured the imaginations of ...

Underwater passive acoustic recording is vital for researchers to monitor and study marine animals in their natural environment with minimal disturbance. “Using passive acoustic monitoring to detect ...