Deep in the Pacific, humans have tracked a mysterious whale’s call for decades—but no other whale seems to respond. And now, we might be running out of time to find the source.

While you may imagine that blue whales have no real ocean predators due to their enormous size, they are at risk ... been documented as having killed full-grown blue whales. Orcas hunt in groups ...

Take the biggest of the bunch the blue whale. It weighs more than a Boeing 757. Has a belly button the size of a plate. And its network of blood vessels, if you laid them out in a line ...

It's an ancient, long-extinct whale that would have tipped the scales at close to 200 tonnes. Only some of the very biggest blue whale specimens ... but their size and shape meant it took three ...

That's practically the weight of a small car. But it's the typical size of a newborn blue whale. The biggest baby in the animal kingdom. When they nurse, calves put on 90 kg. Every. Single.

Join Museum scientists as they reflect on becoming part of this specimen's giant story. Since its arrival at the Museum in the 1880s, the blue whale skeleton has been part of an ever-expanding ...

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 ...