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 ...

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 ...

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 ...

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

ABOARD A BOAT IN THE STRAIT OF GIBRALTAR — From the surface, the azure waters seem calm and inviting in this narrow patch where the Atlantic Ocean meets the Mediterranean Sea. Spain’s arid coast looms ...

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 ...

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 ...

While well documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in Australia. However, orcas are actually sighted year-round in all coastal ...