Scientists say dolphins and orcas have teamed up to hunt salmon off British Columbia. It’s the first time such behavior has been documented between the two mammals.

White-sided dolphins seem to help killer whales "scout" and catch Chinook salmon near Vancouver Island, then eat the ...

Learn how resident orcas collaborate with local dolphins to hunt salmon while offering protection for their smaller cousins ...

Some say they got this name because sailors noticed their ability to dispatch enormous whales and dubbed them ‘whale killers’ ...

A bite-sized show about big ideas. From the people who make Planet Money, The Indicator helps you make sense of what's happening in today's economy. It's a quick hit of insight into money, work, and ...