While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review ...

Notoriously finicky eaters, killer whales have a well-documented preference for certain shark species, including white sharks, mako sharks, bronze whalers, sevengills, and even tiger sharks.

"Within seconds we realized, oh my God, a pack of killer whales is attacking a blue whale," researcher John Totterdell from the Cetacean Research Centre in Australia, told NPR.

An hours-old killer whale calf recently surfaced along the shores of Australia, making for a rare and exciting encounter. The “brand new” marine mammal, nicknamed Wren, was seen by researchers ...

Unfortunately, they only saw the beaked whale because it was frantically fleeing for its life. Close behind it was a pod of 50 orcas porpoising — swiftly slipping in and out of the water — in ...

A pack of orcas hunting and killing an adult blue whale has been recorded for the first time, scientists say.. The stalking episode took place in March 2019 at Bremer Bay, Western Australia ...

A killer whale calf that was rescued from a mass stranding 10 years ago has been spotted alive and well as an adult. Queensland National Parks in Australia revealed in a Facebook post on Friday ...

A white whale calf swimming with its mother off Australia created a memorable moment, while a pod of rare Baird’s beaked ...