Researchers have observed dolphins and killer whales hunting together for the first time as part of a new study released on Thursday, Dec. 11. The top predators joined forces to feast on salmon off ...

New movie Killer Whale puts two best friends at the mercy of orca Ceto who thinks she is still trapped in captivity.

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their prey with humans, according to research published in the Journal of ...

Killer whales have joined the rare club of animals that can make and use tools, for the first time being observed crafting a kind of brush out of kelp and then using it on fellow pod members. The feat ...

Grabbing a meal with a friend is way better than dining solo — and killer whales agree. The whales prefer to hunt for herring in pairs, researchers report July 3 in Current Biology. These cetaceans ...