Orcas, or killer whales, are deadly and beautiful apex predators. Family mourns 18-year-old who died on Carnival cruise ship ...

The clip shows a group of seven orcas — four adults and three calves — as they circle a seal on a tiny chunk of ice in western Antarctica’s Marguerite Bay. The lesson, which lasted over an hour, was ...

Orcas have been filmed making and using tools for what seems to be a pleasurable, massage-like experience. Now they have been seen doing something that's never been documented among marine mammals ...

In a new sign of toolmaking in marine mammals, orcas in the Pacific Northwest were recorded rubbing stalks of kelp against each other’s bodies, a study shows. By Jacey Fortin A hundred feet or more ...

The more we learn about orcas, the more remarkable they are. These giant dolphins are the ocean's true apex predator, preying on great white sharks and other lesser predators. But for all their ...

A brush with kelp may help some killer whales clean up nicely. The killer whales’ grooming habit was among the first things Michael Weiss and colleagues saw using a new drone with “really intense” ...

Orcas off the west coast of North America are grooming each other with kelp, in a rare sighting of marine mammals manufacturing and using tools. For several years, scientists have been keenly ...

Courtesy: SeaDoc Society, Center for Whale Research, and San Diego Zoo Wildlife Alliance under NOAA Permit #26288-01 The orca J pod has been very active in Central Puget Sound waters Friday, and ...

Kayleigh Nicole Grant, a pro ocean diver, detailed a very close encounter with orca whales, deeming it "some of the best 30 seconds" of her life in the ocean Skyler Caruso is a Writer and Reporter of ...

Photographer captures amazing moment seal jumps on her boat to escape killer whales - ‘You poor thing,’ Drucker can be heard ...

Once again, an endangered orca in Washington state has been seen carrying her dead newborn calf in what appears to be an effort to revive it. Researchers with the Center for Whale Research, Sea Doc ...