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

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

Learn more about a group of orcas in the Pacific Northwest that have been observed making and using tools to groom each other ...

As big as a large sperm whale at more than 17 meters (55.78 feet) long, the newly named Cymbospondylus youngorum is the largest animal yet discovered from that time period, on land or in the sea.