Killer whales are among the ocean’s most powerful predators. They can prey on stingrays, seals, porpoises, and even massive baleen whales. They are also known for disrupting great white sharks and ...

Orcas maintain a 0 percent fatality rate against humans despite being the ocean’s most capable predators. The 14 teeth per jaw side create a specific mechanical limitation during high-speed aquatic ...

It’s long been thought that the Southern Resident orcas that live in our region have no predators, but a new article in Live Science suggests that non-resident orcas, or Bigg’s orcas, might be eating ...

In the Gulf of California, a pod of orcas known as Moctezuma’s pod has developed a chillingly precise technique for hunting young great white sharks — flipping them upside down to paralyze and extract ...

In the cold coastal waters of the North Pacific, a rare alliance is challenging what scientists thought they knew about marine predators. Orcas and dolphins have been filmed coordinating their ...

A pod of Pacific white-sided dolphins off the coast of British Columbia have been observed cooperating with orcas, a traditional enemy that’s better known for taking out great white sharks than ...

The mystery orcas are back in the Puget Sound. For the last few weeks, a pod of unfamiliar orcas has been coming and going from the waters around Seattle and British Columbia, delighting whale ...

Dolphins and orcas glide through the waves with effortless grace, their evolutionary sleek bodies cutting through water like they were born for it - and certainly they were, in a way. Millions of ...

Hundreds of stranded dolphins in Argentina appear to have become trapped while escaping hungry orcas in a tragic lose-lose situation. Videos shared on social media and citizen science platforms have ...

Biologists have seen signs of orca-on-orca predation in the North Pacific, and such cannibalism may explain why some orcas travel in large family groups. Two distinct subspecies of orcas, also called ...

People love a tidy villain, so sharks get cast as the ocean’s hitmen, while orcas get treated like spooky geniuses with manners. Reality is less cinematic and more biological. Orcas are fully capable ...