An artificial reef created by Southern California Edison is alive with giant kelp, its strands waving “like thick hair” at the surface as fishing boats probe its edge.The 174 acres of kelp ...

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

But do marine animals use tools to groom each other? According to one recent study, orcas do, demonstrating that ...

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

New research shows southern resident killer whales grooming each other using kelp they’ve modified, and researchers think ...

The whales use quick body movements to tear pieces of bull kelp for use as tools, perhaps the first known toolmaking by a marine mammal.