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

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

Fish-eating killer whales in southern Alaska have a diverse, seasonally changing diet featuring salmon and groundfish, ...

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

A long-term study shows southern Alaska killer whales switch between salmon species and also eat groundfish as seasons and ...

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

A long-term study using DNA from whale scat has revealed surprising complexity in the diets of southern Alaska’s fish-eating killer whales.

Add Yahoo as a preferred source to see more of our stories on Google. I've always wondered if dogs who "talk" a lot know what they're saying, or if they just let the sounds fall free, hoping we'll ...

On March 24, 1989, just after midnight, a massive oil tanker ran aground in one of the most pristine marine environments in ...

In an effort to protect southern resident killer whales, the Vancouver Fraser Port Authority is encouraging a ship slowdown this March.

Opinion: As Vancouver and Seattle showcase orcas to the world with branding and storytelling ahead of FIFA World Cup matches, ...

FRIDAY HARBOR, Wash. — Biologists with the Center for Whale Research have documented a new Southern Resident killer whale calf traveling with L pod in the eastern Strait of Juan de Fuca. RELATED | ...