Some say they got this name because sailors noticed their ability to dispatch enormous whales and dubbed them ‘whale killers’ ...

Aerial and underwater footage captured around Vancouver Island in Canada shows the two marine animals working together to ...

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, or killer whales, are deadly and beautiful apex predators.

How big they are: From 5 to 32 feet (1.5 to 10 meters) long, depending on the species Dolphins live in almost every ocean, except most tend to avoid the cold waters in the Arctic and around Antarctica ...

The ocean is full of mighty hunters. Two of the most feared are the shark and the orca (killer whale). Sharks are ancient, solitary predators. They have rows of razor-sharp teeth, whereas orcas are ...

Step aside, primates and crows. Thanks to new drone footage, killer whales have joined an exclusive club: the short list of animals that make and use tools. Scientists have discovered that southern ...

Orcas have been filmed making and using tools for what seems to be a pleasurable, massage-like experience. Killer whales are teaming up with dolphins on salmon hunts, study finds — but not everyone ...