Drone footage from Norway shows killer whales using a highly coordinated and cooperative hunting technique to catch herring.

For more than a century, killer whales have been understood to be just one worldwide species, Orcinus orca, with many types. But now, after decades of work, scientists have determined the ...

Killer whales are one of the most widespread animals on Earth. They have long been considered one worldwide species known scientifically as Orcinus orca, with different forms in various regions ...

Although all the planet’s killer whales are currently considered a single species (Orcinus orca), some of the world’s leading experts are proposing to split them into three species. DepositPhotos ...

To date, attacks by killer whales (Orcinus orca) upon elephant seals (Mirounga angustirostris) have been conjectured, but never documented. On 28 Dec. 1973, while aboard a 14 ft. skiff from Cape ...

Up until now, all orcas worldwide have been considered the same species, Orcinus Orca. But the paper states, "We conclude that eastern North Pacific Bigg’s killer whales should be recognized as ...

New research suggests these two types of killer whales found off the Pacific coast could actually be different species.

Two different populations of killer whales that live in the North Pacific are now thought to be different species, a new study published by the Royal Society shows.

A new study shows captive killer whales don't live as long as wild relatives. The researchers show that "62 to 81 percent of wild female killer whales live at least 15 years. In contrast, only 27 ...

Scientists from Stockholm University and the Swedish Museum of Natural History, in collaboration with partners in Greenland and Canada, have identified a previously undocumented class of PFAS (poly- ...

A video went viral showing a marine trainer, Jessica Radcliffe, seemingly killed by an orca. Reports later confirmed the ...