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

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

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

If you're ready for a summer romance, you're not alone in the mammal kingdom. In fact, even your aquatic brethren are getting ...

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

Researchers have documented orcas seemingly gifting rays, seals and fish to scientists and divers, which could suggest they ...

Prior to this instance, the “tongue-nibbling” had only been observed a handful of times in captivity. First seen in captive ...

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

A new study documents wild orcas offering food to humans across the globe, leaving scientists puzzled about the motive behind ...

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