A rare blue frog found in the Kimberley region of Western Australia has stunned researchers, who say the unusual colouring is probably due to a genetic mutation causing it to lose certain skin ...

As night fell across a mountain ravine in Ecuador, a “cryptic” creature with “blue” bones emerged from its hiding spot and ...

While some plants can produce blue pigments because of anthocyanins, most creatures in the animal kingdom are unable to make ...