Around the world, killer whales (Orcinus orca) have been observed preying on various shark species including white sharks (Carcharodon carcharias) – as previously documented in California and ...

Scientists have resolved one of the outstanding questions about one of the world's most recognizable creatures, identifying two well-known killer whales in the North Pacific Ocean as separate species.

A humpback whale appeared to swallow then spit out a kayaker in a viral video filmed off the coast of Chile. But was he actually in any danger?

Expedition Killer Whale" reveals an hour-long lesson where adult orca teach calves how to hunt seals off Antarctica.

Around the world, killer whales (Orcinus orca) have been observed preying on various shark species including white sharks (Carcharodon carcharias) – as previously documented in California and South ...

For most of the 20th century, scientists on the Pacific Coast of North America held two basic assumptions about the killer whale (Orcinus orca): first, it was a voracious predator inclined to attack ...

Now, they say their genetic testing has proven that suspicion was justified. One of the world’s most powerful predators, the orca (Orcinus orca), also known as a killer whale, is in fact the largest ...

Orcinus is derived from the Latin word orcus, which means “of the netherworld.” Originally known as “whale killer,” the orca's common name stems from early whalers' records of the species' predatory ...

Northwest Pacific orcas have started wearing salmon hats again, bringing back a bizarre trend first described in the 1980s, researchers say. Last month, scientists and whale watchers spotted orcas ...

This story appears in the July 2015 issue of National Geographic magazine. There are no orcas to speak of in Western literature. Although they look like mythic creatures, with their sleek bodies ...

The findings are published in the journal Ecology and Evolution. Around the world, killer whales (Orcinus orca) have been observed preying on various shark species, including white sharks ...