Almost the entire population of southern resident killer whales gathered in central Puget Sound on Sunday, but the newest ...

Killer whales may all look alike, but molecular biology indicates there are at least three distinct species of orca and maybe five or more, researchers reported Thursday in the journal Genome Research ...

Seven minutes into the video, the whales attacked a second juvenile white shark. This one was worked over repeatedly until ...

Orcas in the Gulf of California off the coast of Mexico have been spotted hunting young great white sharks by flipping them ...

John Ford still recalls the first time he heard them. He’d been puttering around the Deserters Group archipelago, a smattering of spruce- and cedar-choked islands in Queen Charlotte Strait, between ...

An iconic Pacific Northwest species continues to struggle, and the concerns continue to rise as a recently born orca calf ...

Great white sharks have virtually no predators. But newly released video shows orcas flipping great whites and eating their ...

In the serene surface of the Gulf of California, a harrowing spectacle is developing. Near the surface ridden with confusion ...

Killer whales are the only natural predator of baleen whales — those that have “baleen” in their mouths to sieve their plankton diet from the water. More solitary than toothed whales, baleen whales ...

A heartbreaking discovery off Lāna‘i this week. Researchers with Cascadia Research Collective found an endangered false ...