New research in the Strait of Gibraltar captured dozens of vocalizations from an endangered subpopulation of killer whales ...

A Southern Resident killer whale surfacing in Puget Sound with a dead salmon balanced on its head has drawn international ...

Captured off the coast of San Diego, the astonishing video pictured above captures the moment that a dolphin is punched on ...

Marineland Antibes, the French government and animal welfare groups all agree on the need to rehome the listless killer whales but no one can agree where ...

While domesticated animals like cats and dogs have been observed sharing food with humans, this is the first time a ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.

Orcas are born with powerful bodies and sharp teeth, but they are not born knowing how to hunt. Here’s why they depend so ...

When three killer whales struck the Lady L, Heath Samples thought a tanker had collided with his yacht, as everyone on board was knocked off their feet. After the orcas repeatedly buffeted the yacht, ...

A pod of Orcas, also known as "killer whales," attacked a boat off of Spain in a growing trend experts say might be "revenge" for years of being injured by them. A boat captain took a video of the ...

FLORIDA -- Wildlife officials in Florida are investigating the death of a female killer whale that grounded itself on Wednesday on a beach in Palm Coast, about 30 miles north of Daytona Beach. "This ...

The species Orcinus orca, generally known as orcas or killer whales, is made up of many genetically distinct populations called ecotypes. Each ecotype indicates an ecological specialization with its ...