Researchers have documented orcas seemingly gifting rays, seals and fish to scientists and divers, which could suggest they ...

Wild orcas on more than 30 occasions in four oceans have attempted to share their prey with people, potentially to develop ...

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their ...

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

Jared Towers was in his research vessel on two separate occasions watching killer whales off the coast of Vancouver Island ...

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

A pod of humpback whales encountered a group of killer whales during feeding time off the coast of California. On June 24, a ...

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

Orcas have been spotted giving each other rubdowns with kelp tools, rubbing pieces of the seaweed between their bodies.

The more we learn about orcas, the more remarkable they are. These giant dolphins are the ocean's true apex predator, preying ...

The discovery — published June 23 in Current Biology — constitutes the “first evidence” recorded of tool-making by marine ...

Researchers focused on the Salish Sea have made an intriguing discovery about Orcas. These whales, which have continually ...