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 ...

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 ...

Tourists were stunned when a pair of orcas tried to hunt a gentoo penguin alongside their ship. Here’s what happened next.

Orcas, or killer whales, are deadly and beautiful apex predators.

Common names for animals are often easier to remember than their Latin names, but they can often lead to confusion. Here are ...

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

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

He helped fight to free the whales known as the Budd Inlet Six. It was the last time orcas were captured in United States ...

This little critter hadn’t previously been identified south of Montana, but tiny, fossilized teeth show it had traveled into Colorado by around half a million years after the dinosaurs were wiped out.

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

TideBreakers reveals NEW drone footage of Wikie & Keijo in deteriorating tanks at Marineland Antibes I'm shocked by ...