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

Killer whales, also known as orcas, are incredibly intelligent apex predators. As such, researchers have been observing the ...

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

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

Restoring Port Phillip Bay’s dwindling kelp forests by culling overgrazing sea urchins would deliver more than $92 million in ...

Scientists have spotted a subset of killer whales using seaweed to scratch each other’s backs, marking the first known ...

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

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

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

The more we learn about orcas, the more remarkable they are. These giant dolphins are the ocean's true apex predator, preying ...

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