Killer whales are intelligent creatures, and scientists have recently discovered a new behavior among the species. Despite ...

In a new sign of toolmaking in marine mammals, orcas in the Pacific Northwest were recorded rubbing stalks of kelp against ...

Restoring underwater kelp forests by culling overgrazing sea urchins would deliver significant financial benefits, a new ...

And killer whale youngsters are fond of playing kelp keep-away. But what the southern residents are doing with the kelp ...

Dubbed "allokelping," it might be a unique cultural phenomenon that's as endangered as the orca population itself ...

In the first known toolmaking by a marine mammal, southern residents have been documented detaching lengths of seaweed and ...

Researchers using a new drone say they have observed killer whales finding and modifying stalks of kelp to preen each other.

Drone footage has captured killer whales breaking off stalks of kelp and rubbing the pieces on other orcas, a rare case of ...

Thanks to new drone footage, killer whales have joined an exclusive club: the short list of animals that make and use tools.

Drone footage reveals killer whales using kelp to bond, groom, and possibly heal - offering a rare glimpse into their social ...

The killer whales are using a kind of marine loofah to exfoliate. Rubbing the kelp between their bodies is a form of mutual ...

Seaweed and kelp are critical for life on Earth Forests and beds filter excess nutrients and sequester carbon through ...