According to their results recently published in the journal Ecology and Evolution, the culprit is clear: a killer whale ...

Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...

But of particular interest to PhD student Isabella Reeves are the interactions between killer whales and white sharks. Several reports suggest that these apex predators are increasingly targeting ...

Over time, that name morphed into "killer whales." Scientists don't know whether orcas kill for fun. The marine mammals do some things, like killing and tossing dead porpoises in the air ...

A single pair of orcas was first observed hunting great white sharks off the coast of the False ... the huge predators down. But this footage shows Starboard acting alone. "Killer whales are ...

Orcas have no natural predators. They sit at the top of the ... and even beach themselves to grab prey. Killer whales have large, complex brains. They teach hunting techniques to their young ...