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 ...

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

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

What does killer whales eat and do they eat moose? We have done the research! Jump in to read all about the feeding strategies of orcas.

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

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.

Over a year after a 15-foot great white shark was found dead with mysterious bite wounds and stripped of its internal organs, DNA analysis uncovered its killers. Two animals, orcas, also known as ...

Another killer whale hits the ventral side of the whale shark. Kelsey Williamson. 4 / 5. ... Plus, they get quicker access to the aorta by taking a big bite out of the whale shark's underside.

The orcas were photo-identified after Thursday’s sighting as Bigg’s killer whale CA56 and her three kids, along with a closely associated female, CA133.

In 1992, a colleague had returned from a fishing trip in Baja with a story about seeing two killer whales attacking a whale shark. But Ms. Schulman-Janiger was never able to confirm the event.

“We were able to confirm the presence of killer whale DNA in the primary bite area, while the other three wounds revealed DNA from scavenging broadnose sevengill sharks. ...