A couple was shipwrecked when their yacht was surrounded and sunk by a group of whales off the coast of Costa Rica in 1989.

New footage shows orcas and dolphins coordinating hunts, hinting at interspecies teamwork to track and catch salmon off ...

From sinking boats and feasting on shark livers to dining on whale tongue and tossing porpoises around for fun, orcas are ...

Videos show a rare instance of a pod of killer whales attacking and attempting to devour two adult gray whales in Monterey Bay, California.

The species Orcinus orca, generally known as orcas or killer whales, is made up of many genetically distinct populations ...

Killer whales have been caught on camera hunting down and eating great white sharks alive. A shark-hunting pod of orcas was seen flipping their rival apex predators upside-down to paralyze them - ...

Sarah Fortune, an assistant professor in oceanography at Halifax’s Dalhousie University, said it would appear the massive ...

Biologists discovered killer whales and dolphins working together to hunt salmon, a behavior never before documented in this ...

Killer whales have been caught on camera hunting down and eating great white sharks alive. A shark-hunting pod of orcas was seen flipping their rival apex predators upside-down to paralyze them - ...