Scientists have spotted a subset of killer whales using seaweed to scratch each other’s backs, marking the first known identification of “tool” usage by marine mammals. The “southern resident” killer ...

A new species of killer whale has been discovered off the southern coast of Chile. Researchers from San Diego's Scripps Institution of Oceanography say the whales look distinctly different than orcas.

Stunning drone footage captured a pod of endangered Orca whales swimming in unison in the waters of Washington state.

The latest survey of endangered southern resident killer whales confirms their plateau and gradual slide toward disappearance ...

When researcher Jared Towers set up his cameras underwater to observe a pair of killer whales, he saw something strange.One of the orcas, a juvenile female, “approached a camera I had in the water to ...

In order to help monitor and protect the endangered Southern Resident orcas in the Salish Sea, scientists are turning to help ...

Rescuers rushed to save a group of false killer whales that stranded on a beach in Australia, photos show. Photo from Parks and Wildlife Service, Western Australia A rescue mission recently took place ...

The charismatic killer whale, or orca, is the totem species of northwest Washington and coastal British Columbia. This intelligent, social predator is known to form lasting social bonds and lives in ...

Killer whales have been sharing prey with humans, sparking curiosity about their behavior and potential conservation efforts.