Orcas often share food with each other—it’s a prosocial activity and a way that they build relationships with each other,” ...

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

Footage captures a pair of orcas nibbling each other's tongues in the Kvænangen fjords in northern Norway. Scientists think ...

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

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

Orcas, also known as killer whales, are among the most intelligent and social of marine mammals. They live in tight-knit pods ...

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

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

If you combined with their recent fad for sinking yachts, killer whales are starting to look like the Robin Hoods of the sea.

Here & Now ‘s Peter O’Dowd speaks with orca expert Michael Weiss about his research on how orcas in the Salish Sea use kelp ...