The episode, witnessed off the Australian coast, offers a rare glimpse into the brutal efficiency of the ocean’s top predator.

Tourists on a whale-watching boat off Australia witnessed five families of killer whales attack 150-ton mammal.

A pod of more than 60 orcas hunted and killed an estimated 18-metre-long pygmy blue whale off Western Australia's south coast ...

"We think this is because blue whales are so big ... explaining they're a "great way to film [the whales'] behavior without disturbing their behavior at all, unlike other aerial methods like ...

The largest great white shark ever recorded outsized the average limo. Speaking of car-sized animals, one animal in particular gives birth to babies that are the size of a car. The blue whale ...

"We call it the 'great whale conveyor belt,"" Roman says ... Plus, the nutrient inputs of blue whales -- the largest animals to ever live on the Earth -- are not known and were not included ...

The ocean is home to the largest animals of all-time, the great whales ... To study lunge-feeding behaviour blue whales are tagged with cameras. Rorquals are some of the largest whales on the ...

The blue whale is the largest animal ever known to have lived on Earth. Blue whales are largest of all baleen whales and are found worldwide. They have a long slender body with a proportionally ...

A blue whale skeleton weighing 4.5 tonnes is one of the first things ... Images of William Armstrong are used with thanks to Olive Condell, his great grandaughter. Find out more about why we need to ...

This project aims to produce 125,000 tons of blue hydrogen annually while sequestering ... one of which is the Great Whale Project. On Feb. 6, preliminary drilling results were announced, stating ...

as whale populations have declined precipitously over the last few centuries, the great whale conveyor belt has weakened. The nutrient transport numbers — by the tons — might have been three ...