Have you ever noticed how blue in nature feels rare and almost magical? You can see the endless sky and deep oceans painted in blue, yet when you look at plants, animals, or rocks, the colour is ...

Explore how the vulturine guinea fowl’s striking blue and white feathers serve more than beauty. From structural coloration ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. The quandong’s fruit appear intensely blue, but without ...