New research has confirmed that West Coast transient killer whales who live between British Columbia and California are two ...

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

Seven minutes into the video, the whales attacked a second juvenile white shark. This one was worked over repeatedly until ...

A shark-hunting pod of orcas was seen flipping their rival apex predators upside-down to paralyze them before feasting.

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.

Grabbing a meal with a friend is way better than dining solo — and killer whales agree. The whales prefer to hunt for herring in pairs, researchers report July 3 in Current Biology. These cetaceans ...

Killer whales in northern Mexico are in the spotlight after scientists documented them devouring the livers of young great ...

When flipped upside-down, the sharks fall into an involuntary trance, leaving them easy victims for the orcas. Why the sharks ...