Scientists have recorded an 'exceptionally rare' wild orca behavior known as 'tongue-nibbling' for the first time. The social ...

Dubbed "allokelping," it might be a unique cultural phenomenon that's as endangered as the orca population itself ...

The study authors observed the practice in Southern Resident killer whales while sailing in the Salish Sea off the Pacific ...

THIS is the astonishing moment a pair of orcas was spotted kissing – with tongues – for the first time ever in the wild. The ...

Researchers have documented orcas dropping prey and other marine life in front of humans, as if offering us food. The orcas' ...

The apex predators have offered up fish, birds, turtles and whales to humans around the world, according to the study.

Once thriving, there are now believed to be just 73 Southern Resident killer whales left in Washington state's Puget Sound.

Orcas are brilliant creatures. Their brains are highly developed when it comes to problem-solving skills, cognition, and ...

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

A study published in the journal Oceans details the remarkable chance encounter between a group of citizen scientists on a ...

A study published in the journal Current Biology describes a new example of tool use by a critically endangered population of ...

A new study reveals killer whales fashion kelp into tools and use them to groom each other, a possible first for marine ...