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

but the biggest known to have ever existed. The average length of a blue whale is about 90 feet, almost as long as a basketball court, and they weigh an average of 300,000 pounds. That's about 150 ...

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

A massive gang of over 60 orcas was seen brutalizing an endangered pygmy blue whale off the coast of Western Australia by a ...

The modern blue whale has long been considered the largest and heaviest animal ever, beating out all the giant dinosaurs of the distant past. But Perucetus colossus – the colossal whale from ...

A blue whale swims far below a diver off the coast of Terceira Island, Azores, Portugal. The cetaceans can reach 90 to 100 ...

The largest blue whale ever recorded measured a staggering 33 metres in length. Some think that the whale shark’s cartilaginous skeleton may prevent it from reaching larger, blue whale-like ...

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 ...

Time spent sewn up in a whale wasn’t the only curious historical treatment for rheumatism. Elixirs of dubious origin promised ...

Blue whales are the largest animals to have ever lived on Earth, with some mature adults reaching 100 feet and tipping the ...