As scientists scramble to learn more about them, questions abound over what drove these mystery orcas into the Salish Sea, ...

Southern Resident killer whales are a small and well-studied group of orcas that have long been seen as an isolated group without much outside connection. New research challenges that view, ...

Orcas are one of the most familiar forms of sea life, but in the wild, they are increasingly rare. Off the coast of Port Angeles in Washington state, a team has whale watching down to a science. For ...

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For the first time, a team of whale experts have recorded an orca caring for the offspring of another species, a long-finned pilot whale infant. With their iconic black and white markings, orcas ...