A female narwhal was discovered off Donegal, marking Ireland's first recorded sighting of this Arctic species. Examination ...

Scientists confirmed that West Coast transient killer whales actually form two separate groups split between inner and outer ...

The narwhal is famous for its "unicorn horn," but a recent study suggests these whales might also use their long, spiraled tusks to play!

A wildlife photographer out on a whale watching trip in waters off Seattle captured dramatic video and photos of a pod of ...

For the first time, scientists have quantified how many deep-sea squid short-finned pilot whales in Hawaiʻi need to eat to ...

New research confirms two distinct groups of West Coast killer whales with different diets, habitats, and behaviors.

For months, a wild dolphin in Venice, Italy, has captivated tourists with its appearances and acrobatics. Although the ...

New research has confirmed that West Coast transient killer whales who live between British Columbia and California are two distinct subpopulations: inner and outer coast transients. Based on 16 years ...

Inner coast transient killer whale hunting close to a Steller sea lion haulout off the outer coast of Washington. New research has confirmed that West Coast transient killer whales who live between ...

When flipped upside-down, the sharks fall into an involuntary trance, leaving them easy victims for the orcas. Why the sharks freeze like this is a mystery.

The orca is called the killer whale for a reason—and nothing demonstrates why quite like a recent scientific discovery about deadly encounters between orcas and young great white sharks. A pod of orca ...

Killer whales have been caught on camera hunting down and eating great white sharks alive. A shark-hunting pod of orcas was seen flipping their rival apex predators upside-down to paralyze them - ...