Add Yahoo as a preferred source to see more of our stories on Google. Researchers discovered that Northern resident killer whales hunt by going silent and eavesdropping on dolphin echolocation to ...

Killer whales and dolphins have been working together to hunt salmon in the northern Pacific Ocean, an unexpected finding that further reveals the complex social lives of marine mammals. Video cameras ...

Picture a dolphin diving toward the seafloor with something odd on its nose. It is not a shell or a fish. It is a sea sponge.

In a groundbreaking discovery off Vancouver Island, scientists have documented killer whales and dolphins hunting Chinook salmon together. Drone and underwater footage reveals these intelligent marine ...

For decades, the U.S. Navy has relied on dolphins for missions no machine can handle. Their echolocation allows them to detect underwater mines buried beneath sand — something man-made sonar struggles ...

Researchers discovered that Northern resident killer whales hunt by going silent and eavesdropping on dolphin echolocation to locate prey. Dolphins act as long-range scouts while orcas deliver the ...