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

Rubbing against algae to slough off dead skin has been observed in other cetaceans, but never before with what can truly be ...

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

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 ...

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

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

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

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

“Bull kelp stalk is firm but flexible, like a filled garden hose, with a slippery outer surface. I suspect these features make it an ideal grooming tool,” Weiss said.

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