The endangered southern resident killer whales that visit Puget Sound were listed for protection under the federal Endangered ...

A welcome sight Thursday morning: Orcas in the Puget Sound. Experts say there’s one distinct thing people should know about ...

Orcas, like humans, get baby bumps in the early months of pregnancy and grow larger as the pregnancy advances. Researchers ...

Experts say Southern Resident Orca “Ocean Sun” will soon turn 100 years old and is considered the oldest orca in the world.

Re: “How we can honor the orca Tahlequah’s grief” (Jan. 25, Opinion): Many thanks to Donna Sandstrom for her inspiring and hopeful op-ed on the southern resident orcas.

The stories of salmon and orcas in the Pacific Northwest are linked. Their paths intermingle in a vast web of ecosystems and ...

The legal action comes after Fisheries Minister Diane Lebouthillier and Environment Minister Steven Guilbeault determined the waning population of southern resident killer whales faces imminent threat ...

Orca advocates are begging federal leaders to help keep the Puget Sound’s Southern Residents alive. Advocates say the Federal ...

The petition comes two months after a federal threat assessment concluded that despite interim protection measures, an ...

Environmental groups are taking federal ministers to court in a push for them to recommend an emergency order to save ...

For more than a thousand miles, a Southern Resident killer whale known as Tahlequah carried the body of her dead calf on a ...