Two killer whales have been caught "kissing" on camera in a fiord in northern Norway. A group of ...

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

Researchers have identified a fascinating behavior in killer whales, aka orcas: they sometimes offer to share their prey with ...

Killer whales are known for exceptional intelligence, displaying complex social structures and sophisticated communication.

Killer whales have been documented offering food provisions to humans swimming near them or in nearby boats. Learn more about ...

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

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

A new study reveals killer whales fashion kelp into tools and use them to groom each other, a possible first for marine ...

Scientists documented 34 remarkable cases of wild killer whales trying to give food to humans across four oceans over 20 ...

Killer wh ales appear to be inviting humans for lunch, a new study suggests. The research investigated unusual occurrences of ...

Killer whales have been seen detaching lengths of seaweed and using them to massage each other—the first evidence of ...

Wild orcas across four continents have repeatedly floated fish and other prey to astonished swimmers and boaters, hinting that the ocean’s top predator likes to make friends. Researchers cataloged 34 ...