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

Two severed fins bearing the tooth marks of other killer whales have raised a troubling question: are some orcas hunting ...

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

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

A study in 2018 revealed that some orcas are able to imitate human speech, mirroring words such as 'Amy', 'Hello' and 'Bye ...

New Canadian-led research into northern resident killer whales suggests even when food is plentiful, orca moms struggle to ...

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

Police responded to an unusual call when a pilot whale calf was found stranded on the beach in Florida. It happened on Monday ...

Researchers come 'eye-to-eye with a killer whale' during their Antarctic expedition.

According to West Seattle Blog, the texter reported “three orcas in Elliott Bay, ‘way in next to container wharves’.” The ...

Orcas appear in Vancouver Harbour from time to time and often delight residents who catch a glimpse of them. But marine experts say three whales spotted there last week are unlike any previously ...

The discovery came as a surprise, because the two species usually prefer to avoid each other and keep a safe distance.