Orcas, or killer whales, are deadly and beautiful apex predators. Cardiologist: 9 American foods you 'couldn't pay me to eat'—after 20 years of treating heart attacks ...

For the last five-plus years, killer whales have been ramming – and in some cases sinking – expensive yachts, sailboats and fishing boats in the crystalline waters off the coasts of Spain, Portugal, ...

New research shows southern resident killer whales grooming each other using kelp they’ve modified, and researchers think it’s the first time researchers have documented marine mammals making tools.

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 ...

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 ...

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 ...

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 ...

Early this year, another Southern Resident orca — known as Tahlequah, or J35 — was observed carrying the body of a deceased newborn. Tahlequah made global headlines in 2018 for carrying a dead calf ...

A gang of more than 60 orcas brutally attacked and killed a 59-foot-long (18 meters) pygmy blue whale, leaving a nearby whalewatching tour shocked, new video footage shows. The dramatic incident ...

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 ...