Tilikum was SeaWorld’s most famous orca — a massive captive whale who had already been linked to deadly incidents before the world truly knew his name. In 2010, after what seemed like a normal show in ...

Orcas acted as primary scouts by actively seeking out baleen whales and alerting the whalers by breaching and slapping their tails at the mouth of the river. This 90-year alliance proves that Orcas ...

A family’s yacht was attacked by a pod of killer whales in the middle of the night, the latest in a series of similar incidents off the Portuguese coast. The Dutch family was sailing between Porto and ...

Paying no attention to nearby divers, a killer whale and her calf hunting for food frolic in a snowy Norwegian fjord. The clear and calm waters of Reisafjorden, in Norway's Far North, have in recent ...

Orcas, also known as killer whales, are among the most well-studied marine mammals, captivating the public and scientists alike with their intelligence, strong social bonds and complex behaviors.

The mystery orcas are back in the Puget Sound. For the last few weeks, a pod of unfamiliar orcas has been coming and going ...

Apparently even whales enjoy horsing around. The reason orca whales have been attacking European ships recently isn’t due to targeted violence, but rather that the enormous mammals consider it a form ...

Killer whales and dolphins have been working together to hunt salmon in the northern Pacific Ocean, an unexpected finding that further reveals the complex social lives of marine mammals. Video cameras ...

The Seaquarium's beloved performing killer whale, Lolita, appears to have died of old age and multiple chronic illnesses, according to the executive summary of her necropsy released Tuesday afternoon ...

Hunting killer whales always eat the animals they kill, typically leaving behind only a few low-energy parts, such as fins. "Also, if it was just aggression, they wouldn't bother to tear off the fin," ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers have observed dolphins and killer whales hunting together for the first time as part of a new study released on ...

Ask anyone who’s had encounters with killer whales, and they will tell you just how smart they are. Orcas are incredibly intelligent creatures, capable of complex hunting strategies. They also engage ...