Scientists have spotted orcas hunting a nursery of juvenile sharks for the first time, flipping them upside down and feeding on their energy-rich livers, a discovery that hints at changing seasonal ...

Orcas in the Gulf of California off the coast of Mexico have been spotted hunting young great white sharks by flipping them over to incapacitate them before eating their energy-filled liver, new ...

Five families of orcas joined forces to hunt down and feed on a blue whale, the largest creature on the planet, in what was an extremely rare sighting off Australia. More than 60 orcas worked together ...

Orcas have been known to display an array of anthropomorphic-seeming behaviors, from playing to mourning and even scuttling boats. Now, killer whales have been observed making out in the wild for the ...

When researcher Jared Towers set up his cameras underwater to observe a pair of killer whales, he saw something strange. She closed her mouth, paused, apparently watching for Towers’ reaction and hung ...

Step aside, primates and crows. Thanks to new drone footage, killer whales have joined an exclusive club: the short list of animals that make and use tools. Scientists have discovered that southern ...

Prior to 2013, the first movie title that would jump into my head when I'd catch sight of an orca — rarely in person, obviously, but often onscreen — was, naturally, "Free Willy." But that all changed ...

Courtesy: SeaDoc Society, Center for Whale Research, and San Diego Zoo Wildlife Alliance under NOAA Permit #26288-01 The orca J pod has been very active in Central Puget Sound waters Friday, and ...