It was an overcast day off the coast of Morro Bay when one group of whale watchers spotted a surprising sight: a group of about a half-dozen killer whales having a grisly feast. The orcas were likely ...

Researchers say an endangered killer whale that drew international attention as she carried her dead calf on her head for more than two weeks is finally back to feeding and frolicking with her pod.

SEATTLE — Wild orcas on more than 30 occasions in four oceans have attempted to share their prey with people, potentially to develop relationships with humans, researchers have found. In each of the ...

ALERT BAY, British Columbia — You’re floating in the ocean when a massive killer whale approaches and gently releases a piece of prey right in front of you, then waits to see what you’ll do. It might ...

Tourists were treated to a stunning performance by an orca while on a boat trip around the Galapagos Islands in Ecuador. But what made this encounter so incredible was that the orca tossed a turtle ...