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

"We are witnessing an evolutionary process." Scientists discovery cause behind recent killer whale attacks: 'They should be ...

Dramatic footage shows several killer whales circling and feeding on a blue shark off Baja California Sur, Mexico. Wildlife ...

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

Add Yahoo as a preferred source to see more of our stories on Google. A great white shark swims near Guadalupe Island in Mexico. As far as we know, these cetaceans are the sole predator that can kill ...

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Drone footage has revealed sperm whales headbutting each other—something scientists had only speculated about until now.

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

The world’s deadliest ambush predators are masters of stealth, camouflage, and sudden, lethal force, often attacking from ...

On Oct. 24, 1931, William Fey cruised the Columbia Slough and found Oswald, the orca, floating. The frolicking orca called Ethelbert by Oregonians and Oswald by Washingtonians was harpooned by Edward ...

The journey begins with what Celik describes as “incandescent rage.” Searching for answers, she calls her sister. “Honey, it's called perimenopause. Remember Mom at our age?” Soon after, an ...