"We are witnessing an evolutionary process." Scientists discovery cause behind recent killer whale attacks: 'They should be divided' first appeared on The Cool Down.

Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called ...

Ask anyone who’s had encounters with killer whales, and they will tell you just how smart they are. Orcas are incredibly ...

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their prey with humans, according to research published in the Journal of ...

Hunting killer whales always eat the animals they kill, typically leaving behind only a few low-energy parts, such as fins. "Also, if it was just aggression, they wouldn't bother to tear off the fin," ...

Orcas, or killer whales, are deadly and beautiful apex predators.

Blue whale calves enter the world already the size of a bus, yet they still face danger. A hungry killer whale sees a slow, ...

A study in 2018 revealed that some orcas are able to imitate human speech, mirroring words such as 'Amy', 'Hello' and 'Bye ...

Captured off the coast of San Diego, the astonishing video pictured above captures the moment that a dolphin is punched on the chin by a killer whale. The dolphin rises above the surface, but the orca ...

'Amongst all the different killer whale populations around the world, there's only a couple that have been observed doing this behavior,' one expert said Francois Gohier/VW Pics/Universal Images Group ...