Ask anyone who’s had encounters with killer whales, and they will tell you just how smart they are. Orcas are incredibly intelligent creatures, capable of complex hunting strategies. They also engage ...

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

Wild orcas across four continents have repeatedly floated fish and other prey to astonished swimmers and boaters, hinting that the ocean’s top predator likes to make friends. Researchers cataloged 34 ...

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 ...

Marine life researchers are tracking a mysterious pod of orcas recently spotted moving through the Salish Sea.

Historically, killer whale diet research relied on surface sampling of prey fragments, usually scales, helping researchers to determine primarily salmon species. Newer techniques that analyze DNA in ...

Tourists were stunned when a pair of orcas tried to hunt a gentoo penguin alongside their ship. Here’s what happened next.