Animals come in all sorts of colors, and while the animal kingdom has most of the rainbow’s colors at its disposal, there are a few exceptions. Some animals, for example, may appear blue at first ...

Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

The ocean is home to some of the most stunning colours in nature, but few are as mesmerising as the vibrant electric blue seen only in the rarest of the rarest animals. These creatures seem as if they ...