Scientists and Nantucket officials are trying to figure out what to do about a huge whale that washed up on the island.

The killer whales ripped the liver out of a shark and passed it around—only the second time orcas have been seen engaging in ...

There's usually not much an animal can do to escape if an orca has decided it will serve as a suitable meal. However, one seal was able to outwit the ...

"The techniques differ." Scientists weigh in after observing alarming behavior in great white sharks, orcas: 'They are ...

Killer whales in northern Mexico are in the spotlight after scientists documented them devouring the livers of young great ...

Orcas, or “killer whales,” love liver — especially great white shark liver. Before now, it was only seen in South Africa. Video shot in Mexico by scientists shows how orcas are able to take chunks out ...

Orcas in Mexico's Gulf of California, specifically Moctezuma's Pod, are skillfully hunting juvenile great white sharks. They induce tonic immobility a ...

Researchers captured the novel behavior on video in the Gulf of California, recording three separate takedowns across two hunts carried out by members of the Moctezuma pod ...

Scientists have spotted orcas hunting a nursery of juvenile sharks for the first time, flipping them upside down and feeding ...