Scientists found evidence that killer whales may hunt and eat other killer whales, revealing new insights into how ...

Killer whales and dolphins have been found hunting together for the first time. Canadian scientists said the two species had developed a “strategic allegiance” to hunt salmon in deep water. A study in ...

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 killer whales ripped the liver out of a shark and passed it around—only the second time orcas have been seen engaging in this behavior. Killer Whales off the coast of Baja California Sur in the ...