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

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.

In 2022, a Russian whale researcher made a remarkable discovery on Bering Island off Russia's Pacific coast: a severed killer ...

Great white sharks ( Carcharodon carcharias) are often unfairly the stuff of marine nightmares. But these infamously fearsome creatures are sometimes eaten by an animal even higher on the food ...

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

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

Two killer whales scrubbing kelp between their backs, also known as “allokelping.” Credit: Center for Whale Research, NMFS NOAA Permit 27038 Lots of animals use tools to get their food, but ...

A brush with kelp may help some killer whales clean up nicely. The killer whales’ grooming habit was among the first things Michael Weiss and colleagues saw using a new drone with “really intense” ...

One of the world’s largest mammals, the humpback whale is an incredible species for many reasons. They may even be the ocean’s protectors. Researchers have witnessed humpback whales intervening during ...

New research shows southern resident killer whales grooming each other using kelp they’ve modified, and researchers think it’s the first time researchers have documented marine mammals making tools.

Many researchers thought the two-month absence was caused by the predation of a white shark by a group of orcas. Now a new study suggests there may be other reasons for their disappearance.