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Orcas, or killer whales, are deadly and beautiful apex predators.

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 ...

On March 6, three orcas showed up in Canada’s Vancouver Harbour, later heading south to Seattle, Tacoma and Olympia, that ...

Learn why blue whale calves are prime orca targets and how their massive mothers use slipstreams, allies, and shockwaves to keep them alive.

New research shows southern resident killer whales grooming each other using kelp they’ve modified, and researchers think it’s the first time researchers have documented marine mammals making tools.

While killer whales (Orcinus orca) can trigger the immediate departure of white sharks (Carcharodon carcharias), extended absences from their aggregation sites are also part of the sharks' natural ...

Step aside, primates and crows. Thanks to new drone footage, killer whales have joined an exclusive club: the short list of animals that make and use tools. Scientists have discovered that southern ...

Add Yahoo as a preferred source to see more of our stories on Google. Orcas, or killer whales, are deadly and beautiful apex predators. New 'Forbidden Fruits' trailer teases a witchy mean girls ...