Recently, people have spotted killer whales engaging in some unique behavior. They are rubbing their bellies along the rocks that dot the British Columbia coast. At first, no one was sure exactly what ...

Orcas are among the most efficient predators in the ocean, yet not every encounter ends in a kill. This video highlights documented moments where animals resist, evade, or directly confront attacking ...

The orca on the left carries kelp in its mouth, allowing the whales to "allokelp," or roll the plant between their two bodies. - Center for Whale Research Editor’s Note: Call to Earth is a CNN ...

Recent observations suggest that orcas may have developed a new communication strategy to coordinate, plan, and execute their ...

SEATTLE -- Wild orcas on more than 30 occasions in four oceans have attempted to share their prey with people, potentially to develop relationships with humans, researchers have found. In each of the ...

'Amongst all the different killer whale populations around the world, there's only a couple that have been observed doing this behavior,' one expert said ...

Behavioral ecologist Michael Weiss was browsing through new drone footage of the orca pods he studies in the Salish Sea when he spotted one of the killer whales carrying something green in its mouth ...