A KILLER whale that spent its whole life in captivity and fatally attacked its trainer in 2009 has died at a Canary Islands ...

A killer whale was spotted balancing a salmon on its head. It’s not clear what the behavior means, but orcas were observed ...

Killer whales can feed on marine mammals, turtles, and fish. In the Gulf of California, a pod might have picked up new skills ...

“We are living in a moment where these different diets—intermittent fasting, ketogenic diet, calorie restriction—are used now more and more for metabolic diseases like diabetes, but there’s been a lot ...

By Jason Bittel Off Baja California in Mexico, a killer whale named after an Aztec emperor is leading his pod on routine takedowns of the largest fish in the sea: whale sharks. There have been ...

Interestingly, while the lipid-rich livers are thought to be the primary target of these attacks, there was no photographic ...

He switched from a near-carnivore diet to a completely vegan-keto meal plan for an entire week. The 28-year-old revealed that the vegan lifestyle upset his stomach quite a bit, but he had ...

Killer whales (Orcinus orca) are finding a new place to roam in the rapidly changing Arctic Ocean. Though Indigenous people ...

Orcas, better known as killer whales, have been spotted hunting whale sharks, the world's largest shark species, that can grow up to 40 feet -- which has surprised the scientists. The orca pod ...

Researchers observed four hunting events in the Gulf of California where orcas preyed on the world’s largest fish, whale sharks. In coordinated attacks, they targeted the sharks’ pelvic area, causing ...