Orcas, famous for their striking black and white markings, measure between 23 to 32 feet in length and can weigh up to six ...

Orcas, often referred to as "killer whales," have earned their intimidating nickname for a reason. These magnificent ...

Killer whales have been documented offering food provisions to humans swimming near them or in nearby boats. Learn more about ...

A study published in the journal Current Biology describes a new example of tool use by a critically endangered population of ...

Wild orcas across four continents have repeatedly floated fish and other prey to astonished swimmers and boaters, hinting that the ocean’s top predator likes to make friends. Researchers cataloged 34 ...

Researchers have observed a population of orcas that cut and position kelp tools between their bodies to scrub each other’s ...

Southern resident killer whales have been caught on drone video crafting kelp tools to groom one another—an unprecedented ...

A new study reveals killer whales fashion kelp into tools and use them to groom each other, a possible first for marine ...

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

Killer whales have been seen detaching lengths of seaweed and using them to massage each other—the first evidence of ...