Are both species listening to each other?" Drone camera captures unusual sighting of massive marine predators: 'Really surprised us' first appeared on The Cool Down.

Biologists discovered killer whales and dolphins working together to hunt salmon, a behavior never before documented in this ...

In the cold coastal waters of the North Pacific, a rare alliance is challenging what scientists thought they knew about ...

Off the coast of British Columbia, killer whales are tailing dolphins, and both seem to be rewarded with fishy meals. But not ...

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.

Research shows male dolphins with strong friendships age more slowly. Social bonds reduce stress and protect health at the ...

In "Dolphins Up Close with Bertie Gregory," the National Geographic explorer looks to the camera and says, "Any day you see a dolphin is a good day." And that was Gregory's main objective for his ...