Orcas are born with powerful bodies and sharp teeth, but they are not born knowing how to hunt. Here’s why they depend so ...

It's been a strong business year for the nation's theme parks, with a notable exception: SeaWorld. The company, which has parks in San Diego, San Antonio and Orlando, Fla., saw its attendance drop in ...

A group of killer whales spotted hunting off the coast of California and Oregon over two decades may actually be their own unique population of animals, a new study says. When the notorious black fin ...

OPALCO's proposed tidal energy project in the Salish Sea faces opposition due to concerns about its impact on endangered killer whales. The cooperative argues the turbine is necessary to prevent ...

Where there are Chinook salmon, the orcas will likely follow — including the mouth of the Columbia River. Despite what can feel like a desperate and futile effort to save the region’s venerated ...

Anti-logging and anti-commercial fishing advocacy groups on May 1 petitioned the federal government to grant endangered species status to a group of Pacific Northwest orcas known as the “southern ...

About 50 volunteers gathered at Puget Sound Public Farms in Stanwood Saturday, Oct. 18, with a mission to improve the environment for local salmon and orcas. The event was part of an international ...

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