Their familiar collective noun reflects the close social bonds many species form.

Orca pods are led by the founding matriarch, and Similä thinks these “wise mothers” teach their calves to avoid fishing boats ...

An incredible close encounter with a pod of killer whales left a fisherman amazed after the curious marine mammals approached his boat in the Hauraki Gulf, New Zealand. Caleb Radich, from Auckland, ...

The Eastern Tropical Pacific orcas were spotted about 5 miles off Dana Point, heading north by the afternoon to near Newport Beach.

Off the coast of Patagonia, a group of orcas deliberately beach themselves on gravel shores to snatch sea lions, a technique so dangerous that calves spend years watching before attempting it, and one ...

Add Yahoo as a preferred source to see more of our stories on Google. A pygmy sperm whale was attacked by a pod of orcas off the coast of Madeira. Orcas preying on marine mammals are rarely seen in ...

SEATTLE — A new orca calf was spotted in Puget Sound on Tuesday afternoon, which is the first calf born into the K pod in over three years, according to the Orca Conservancy. Observers were viewing ...

Three different pods of Eastern Tropical Pacific orcas were spotted off Southern California’s coastline over the weekend, ...

Jake Tiffin, who captured footage of the incident, said the killer whales were "clearly showing off." A pod of around 30 orcas, including calves, was spotted off Northumberland's coast on May 30 ...