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

As humans increasingly appear in orcas' marine neighborhoods, the whales could be interested in learning about us: our ...

For more than a decade, a succession of sea creatures have lived off of this whale’s body by stripping it and burrowing into ...

Researchers documented 34 instances of purported prey-sharing behavior, which suggests orcas may be altruistic and capable of ...

The rare and awe-inspiring gestures were documented off the coasts of B.C., California, New Zealand and Norway. Researchers say their new study is the first documentation of these kinds of gestures by ...

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