Recent findings used wildlife forensics and citizen science data to provide the first confirmed evidence of killer whale ...

Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...

According to their results recently published in the journal Ecology and Evolution, the culprit is clear: a killer whale ...

Some animals rely on brute strength to hunt, while others use intelligence, deception, and teamwork to outwit their prey.

Bigg’s killer whales prey predominantly on other marine mammals, including gray whales. But virtually all previous gray whale predations have involved much smaller calves. The CA56/CA133 pod has ...

The 39-foot gray whale carcass was discovered floating off Marina del Rey on Saturday with most of its head missing.

What's interesting here, because their prey is out on the ice, it seems these pack ice killer whales are okay with vocalizing. And that's never been known before. This is completely new.

DNA evidence has confirmed that killer whales in Australia hunted a white shark for its liver—marking the first recorded case ...

Scientists confirm that orcas and dolphins have lost the ability to return to dry land due to irreversible evolutionary ...

Based on DNA analysis from the bite wounds on the carcass of a large white shark washed ashore near Portland in Victoria in ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...

Two Los Angeles-area boaters on Saturday spotted a juvenile gray whale that had recently been killed by orcas and was missing ...