Orcas, also known as killer whales, are among the most well-studied marine mammals, captivating the public and scientists alike with their intelligence, strong social bonds and complex behaviors.

While domesticated animals like cats and dogs have been observed sharing food with humans, this is the first time a non-domesticated mammal has done the same.

A Southern Resident killer whale surfacing in Puget Sound with a dead salmon balanced on its head has drawn international ...

Krisztina Balotay, a wildlife photographer with Orca Channel, captured photos of the amazing event The Norwegian Orca Survey noted that Balotay's photos are some of the first-ever of a killer whale ...

SEATTLE — The endangered killer whales of the Pacific Northwest live very different lives from orcas in captivity. They swim up to 100 miles (161 kilometers) a day in pursuit of salmon, instead of ...