A few months earlier, researchers reported the first instance of a lone killer whale hunting and eating a great white shark ...

Recently, a whale watching crew off the coast of San Diego, California, got to witness these majestic beauties in action, ...

Keto the killer whale, who spent his whole life in captivity and fatally attacked his trainer Alexis Martínez in 2009, has ...

Killer whales, or orcas, are the largest of the dolphins and one of the world's most powerful predators. They eat marine mammals such as seals, sea lions, and even whales, and are known to grab ...

A whale shark being brought to the surface by killer whales. (Credit: Kelsey Williamson) In the Gulf of California, an ...

Russian rescuers returned a young female killer whale to the Sea of Okhotsk on Thursday after the orca beached in the far ...