The rare and awe-inspiring gestures were documented off the coasts of B.C., California, New Zealand and Norway. Researchers ...

Far from the fearsome reputation implied by their name, “killer whales”, orcas sometimes offer people gifts of food. Why ...

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

Despite having a reputation for strategically hunting marine mammals and occasionally sinking yachts in the Mediterranean, it has now been revealed that orcas have a more romantic side. After drones ...

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

Researchers using a new drone say they have observed killer whales finding and modifying stalks of kelp to preen each other.

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

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

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

Other animals including some early humans, non-human primates, sea otters, elephants, and bird species are known to use ...

In the first known toolmaking by a marine mammal, southern residents have been documented detaching lengths of seaweed and ...