A group of orcas swims together in the North Atlantic near Norway. The whales stay close as they move through the ocean.

Ask anyone who’s had encounters with killer whales, and they will tell you just how smart they are. Orcas are incredibly ...

Two groups of killer whales are engaging in a terrifying, bloody cannibalistic war beneath the ocean’s surface, where gangs ...

Blue whale calves enter the world already the size of a bus, yet they still face danger. A hungry killer whale sees a slow, ...

Two mass strandings involving hundreds of dolphins in Argentina probably happened because the pods were being hunted by orcas ...

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

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

Getting close to a stingray is risky, even for an accomplished predator such as an orca. They are not called stingrays for ...

A small pod of "mystery orcas" last seen in Anchorage, AK a year ago has popped up in Puget Sound ...

Magdalena Arias of Argentina’s National Scientific and Technical Research Council explains, News.Az reports, citing foreign ...

Orcas appear in Vancouver Harbour from time to time and often delight residents who catch a glimpse of them. But marine ...

"The whales generated so much excitement in the community with thousands of people getting to see them from all over." ...