Detached orca fins scored with distinctive tooth marks suggest that killer whale cannibalism is happening — and it might ...

Add Yahoo as a preferred source to see more of our stories on Google. Orcas in the Gulf of California off the coast of Mexico have been spotted hunting young great white sharks by flipping them over ...

Two groups of killer whales are engaging in a terrifying, bloody cannibalistic war beneath the ocean’s surface, where gangs ...

Orcas are fierce, apex predators of the sea; hence their “killer whale” moniker. They’re also smart, which makes them even more of a threat. One of their preferred prey? Another supposed apex predator ...

A pygmy sperm whale was attacked by a pod of orcas off the coast of Madeira. Orcas preying on marine mammals are rarely seen in the region. Camila Dávila Pardo/ Blue Safari Madeira As the whale ...

A rare pod of orcas, known as CA-51, has returned to Monterey Bay after a three-year hiatus, delighting whale watchers and ...

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

Rare J Pod sighting draws attention as endangered orcas pass Tacoma with calf Orca Network confirms early migration linked to salmon availability in region Officials urge minimal boat noise to avoid ...

Orcas in the Gulf of California off the coast of Mexico have been spotted hunting young great white sharks by flipping them over to incapacitate them before eating their energy-filled liver, new ...