In the cold coastal waters of the North Pacific, a rare alliance is challenging what scientists thought they knew about marine predators. Orcas and dolphins have been filmed coordinating their ...

Orcas don’t just swim; they dominate. By hunting in highly coordinated pods, these “wolves of the sea” can take down ...

Orcas, often called “killer whales,” are some of the most fascinating and intelligent creatures in the ocean. Despite their fearsome name, they possess incredible adaptations, complex social systems, ...

This story was supported by grants from the Pulitzer Center and the Alaska Center for Excellence in Journalism, in partnership with The Seattle Times and Northern Journal. Second of three parts.

A pod of Pacific white-sided dolphins off the coast of British Columbia have been observed cooperating with orcas, a traditional enemy that’s better known for taking out great white sharks than ...