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

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

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

A white whale calf swimming with its mother off Australia created a memorable moment, while a pod of rare Baird’s beaked ...

The Canadian government is redoubling its efforts to protect a critically endangered population of Southern Resident killer ...