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

Researchers document a behavior called "allokelping" in which one killer whale uses kelp to massage the back of another killer whale, near San Juan Island (Reuters) -Killer whales are known for ...

Orcas in the Gulf of California off the coast of Mexico have been spotted hunting young great white sharks by flipping them ...

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

Primates, birds, and elephants are all known to make tools, but examples of tool use among marine animals are much more limited. Reporting in the Cell Press journal Current Biology on June 23, a team ...

An amateur wildlife photographer off the coast of Seattle captured the dramatic moment when a seal narrowly escaped a pod of killer whales by hitching a ride on her boat.

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.

"The techniques differ." Scientists weigh in after observing alarming behavior in great white sharks, orcas: 'They are ...

Orcas have been observed ramming boats and even sinking some of them. But this isn't new. Here's a video from 2014 of a pod of orcas chasing a speedboat.

(Reuters) -Killer whales are known for exceptional intelligence, displaying complex social structures and sophisticated communication. New research provides fresh evidence for this, documenting how ...