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.© ...

Only two places in the world allow tourists to enter the water with the ocean’s apex predator. But the safety of both species ...

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 ...

The species Orcinus orca, generally known as orcas or killer whales, is made up of many genetically distinct populations called ecotypes. Each ecotype indicates an ecological specialization with its ...

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 ...