WARNING, GRAPHIC CONTENT: The footage shows several orcas taking turns with the carcass, highlighting their cooperative ...

An orca was filmed delivering a shocking final blow to a giant ocean sunfish during a rare underwater hunt. Wildlife guide ...

MONTEREY, Calif. -- A rare encounter left a whale-watcher in Monterey County, California in shock when a killer whale attacked a pod of dolphins. Dolphins swam for their lives after encountering eight ...

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

Add Yahoo as a preferred source to see more of our stories on Google. A Southern California whale-watching captain on Monday captured rare footage of a wild orca leaping clear out of the water.

Add Yahoo as a preferred source to see more of our stories on Google. A Southern California whale-watching group on Wednesday enjoyed a rare and spectacular encounter with perhaps 20 orcas that were ...

Researchers have observed dolphins and killer whales hunting together for the first time as part of a new study released on Thursday, Dec. 11. The top predators joined forces to feast on salmon off ...

For more than five years, killer whales have been ramming – and in some cases sinking – expensive yachts, sailboats and fishing boats in the crystalline waters off the coasts of Spain, Portugal, ...

An extraordinarily close encounter between a scientist and a killer whale has been captured on camera. The onetime reporter and anchor is one of five contestants competing for $1 million. The new ...

A man in New Zealand was sunbathing on a pontoon boat when two orcas started swimming around him. He didn’t notice at first, and people were shouting at him from land to get his attention. He is seen ...

This story was supported by grants from the Pulitzer Center and the Alaska Center for Excellence in Journalism, in partnership with The Seattle Times and Northern Journal. Second of three parts.