Three mystery whales have been surprising whale watchers from Canada to Olympia. When somebody gets the thrill of seeing an orca in Northwest waters, that whale is almost always well known. Scientists ...

Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called ...

KILLER whales have broken into an all out cannibalistic civil war, scientists believe. Biologists have warned of an all-out orca-on-orca battle being fought in the North Pacific where one deadly ...

Fish-eating killer whales in southern Alaska have a diverse, seasonally changing diet featuring salmon and groundfish, according to a published study in the journal Ecosphere. The types of fish ...

More than 15 years after the sudden collapse of Minnesota’s moose population, state and tribal biologists will reshape the landscape of northeast Minnesota to try to bring their numbers back. A moose ...

With all the splashing, it was hard to tell what was happening under water. As the orcas surfaced to take a breath, dolphins were darting around their heads, but the water was so murky that the ...

We could all use a buddy to help us track down dinner from time to time. Sarah Fortune, a marine ecologist at Dalhousie University in Nova Scotia, and her colleagues used drones and camera-equipped ...

(NewsNation) — Orcas in the Gulf of California were spotted attacking great white sharks using a unique hunting strategy: A body slam and liver eating. Researchers caught the interactions on camera in ...

Inner coast transient killer whale hunting close to a Steller sea lion haulout off the outer coast of Washington. New research has confirmed that West Coast transient killer whales who live between ...

Orcas in the Gulf of California off the coast of Mexico have been spotted hunting young great white sharks by flipping them over to incapacitate them before eating their energy-filled liver, new ...