A skipper was stunned when he spotted a pod of eight killer whales in UK waters - in an extremely rare sighting.

Get ready for an unforgettable 13 minutes of Orca encounters that will completely change how you see these magnificent ...

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

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

We were amazed when we first noticed this behavior,” said Michael Weiss, research director at the Center for Whale Research in the U.S. state of Washington. What started as a puzzling observation in ...

Footage captures a pair of orcas nibbling each other's tongues in the Kvænangen fjords in northern Norway. Scientists think this rarely seen behavior could play a role in social bonding.