To start a kelp-based grooming session, an orca places the bull kelp stipe on its face and nuzzles against another killer ...

Killer whales, also known as orcas, are incredibly intelligent apex predators. As such, researchers have been observing the species for decades. Specifically, the Southern Resident killer whales—a ...

Marine biologist Carrie Newell photographed four blue whales — the largest animals on Earth — 3 miles off Depoe Bay.

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.

The nearly 1,065-pound whale is currently recovering in a medical habitat at the aquarium, but an expert says she's not yet ...

Orcas were spotted using kelp as a grooming tool on each other, the first known use of tools among cetaceans for something ...

Killer whales off the west coast of North America have been spotted making and using tools to groom each other, the first time such behaviour has been recorded in marine mammals.. Scientists from the ...

The orcas clearly liked this activity because different whales were recorded preparing the stems eight times and rolling the ...

Whales are already known to frolic through seaweed in a practice called "kelping". They are thought to do this partly for fun, partly to use the seaweed to scrub their bodies to remove dead skin.

An endangered humpback whale was recently spotted showing severe injuries from an apparent collision with a boat near Glacier ...

Killer whales off the west coast of North America have been spotted making and using tools to groom each other, the first time such behaviour has been recorded in marine mammals.. Scientists from the ...