Learn about the fatal encounters between two groups of killer whales, bringing the idea of whale cannibalism into question.

, March 10 -- Scientists have found possible evidence suggesting that some killer whales may hunt and eat their own species in waters near Russia.

Scientists found evidence that killer whales may hunt and eat other killer whales, revealing new insights into how ...

It's long been thought that the Southern Resident orcas that live in our region have no predators, but Bigg's orcas might be ...

Detached orca fins scored with distinctive tooth marks suggest that killer whale cannibalism is happening — and it might ...

Editor’s note: We’ll bite. Folks, why should we bother saving orca whales? Kids, you, too. Send your letters with your name, address and phone number to [email protected]. Letters of 250 words or ...

In the North Pacific, orca fins with signs of cannibalism are washing up on a Russian beach. The findings suggest that killer whales occasionally participate in cannibalism, which might explain why ...

Orcas in Alaska's Prince William Sound and Kenai Fjords have a diverse, seasonally changing diet of salmon and groundfish, consumed across regional foraging hotspots. Photo courtesy of Shutterstock ...

Lynne Schafer Gross and Mark McDermott One day circa 1970, a boy in El Segundo looked up at a telephone pole near his home and saw a hawk perched at ...

They appear straight out of prehistory – and they are; the reptiles have survived mostly unchanged since the age of the dinosaurs. They are a soft shelled turtle with thick, black, rubbery skin where ...

Orcas don’t have any natural predators, so how did this happen? The tooth marks, it turned out, were distinctive – they were ...

Blue whales, the largest animals on Earth, have been spotted not far off the coast of Massachusetts.