​​From the striking rainbow colors of parrots in the rainforest to the brilliant flashes of yellows, oranges and blues in ...

Blue animals are some of the most stunning in the natural world – but also some of the rarest. In this video, we explore the science behind why true blue coloring is so uncommon in nature. From ...

Scientists reconstructed 500 million years of evolutionary history to reveal which came first: colorful signals or the color ...

Natural dyes are harder to make and use than artificial colors. They are less consistent in color, less stable and subject to changes related to acidity, heat and light, Manning said. Blue is ...

Natural dyes are harder to make and use than artificial colors. They are less consistent in color, less stable and subject to changes related to acidity, heat and light, Manning said. Blue is ...

Natural dyes are harder to make and use than artificial colors. They are less consistent in color, less stable and subject to changes related to acidity, heat and light, Manning said. Blue is ...

Natural dyes are harder to make and use than artificial colors. They are less consistent in color, less stable and subject to changes related to acidity, heat and light, Manning said. Blue is ...