Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review ...

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their ...

A study published in the journal Current Biology describes a new example of tool use by a critically endangered population of ...

In a baffling show of generosity, killer whales across the globe are giving fish to humans—and scientists are racing to ...

Dubbed "allokelping," it might be a unique cultural phenomenon that's as endangered as the orca population itself ...

The whales use quick body movements to tear pieces of bull kelp for use as tools, perhaps the first known toolmaking by a marine mammal.

Wild orcas across four continents have repeatedly floated fish and other prey to astonished swimmers and boaters, hinting ...

Killer whales off the west coast of North America have been spotted making and using tools to groom each other, the first time such behaviour has been recorded in marine mammals. Scientists from ...

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

Killer whales have been caught on video breaking off pieces of seaweed to rub and groom each other, scientists announced Monday, in what they said is the first evidence of ...

Killer whales off the west coast of North America have been spotted making and using tools to groom each other, the first time such behaviour has been recorded in marine mammals. Scientists from ...