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

Multiple killer whales were spotted circling and feasting on a blue shark in a dramatic open-ocean encounter. The footage ...

When researchers from the University of British Columbia set out to film the solitary hunting habits of Northern resident killer whales, they expected to see quiet and solitary predators at work.

Add Yahoo as a preferred source to see more of our stories on Google. The orca here can be seen swimming next to a shark with a visible wound. The latest observations suggest that orcas may be ...

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

Some orcas have developed a deadly taste for liver — specifically, the livers of great white sharks. According to NBC News, scientists in Mexico captured stunning new footage showing how killer whales ...

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

SEATTLE (AP) — A wildlife photographer out on a whale watching trip in waters off Seattle captured dramatic video and photos of a pod of killer whales hunting a seal that survived only by clambering ...