The Antarctic blue whale (Balaenoptera musculus ssp. Intermedia) is the largest animal on the planet, but it is critically ...

Most people size up animals by how tall they stand or how long they stretch, but weight tells a different story. Measuring by mass alone reveals which creatures carry the most bulk. If you're curious ...

Whale sharks are the largest species of shark. Their gentle manner and massive size make them the gentle giants of the ocean. However, one especially large whale shark has been spotted off the Pacific ...

Due to its vast size — stretching from Canada and Greenland in the north, to Mexico in the south — North America contains a ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW YORK (AP) — There could be a new ...

Vertebrates have extremely different brain sizes: even with the same body size, brain size can vary a hundredfold.

Summary: A global study of vertebrates reveals that body temperature is the key driver behind brain size evolution.

What are some animals that give birth to huge numbers of offspring at once?” (Watch a female sea urchin produce millions of eggs.) The mola, or ocean sunfish, looks like an animal cracker someone bit ...

Ever wondered which animals have the biggest ears in the animal kingdom? Read this interesting article on seven remarkable creatures from the mighty elephant to the fennec fox, learn how their ...