Protecting them requires international cooperation to address the issues that affect them. Southern Resident killer ...

Captured off the coast of San Diego, the astonishing video pictured above captures the moment that a dolphin is punched on the chin by a killer whale. The dolphin rises above the surface, but the orca ...

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

You may think that dolphins are super cute sea creatures to view from the shore and boats, but for killer whales, they are food! That makes them a legitimate hunting target. This dolphin found out the ...

Orcas acted as primary scouts by actively seeking out baleen whales and alerting the whalers by breaching and slapping their tails at the mouth of the river. This 90-year alliance proves that Orcas ...

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 ...

ALASKA -- An orca that became stranded on a rocky beach in Prince of Wales Island, Alaska, Thursday morning was freed with the help of the National Oceanic and Atmospheric Administration (NOAA) and ...

Whale watchers delighted as never seen before orcas arrive in Seattle - The visiting orcas have something that local whales ...

Add Yahoo as a preferred source to see more of our stories on Google. An endangered Southern Resident Killer Whale, an icon of the Pacific Northwest, breaches near Henry Island in Washington State.© ...