A crater on Mars has a bright patch of ice. It's the second time in over a decade that the crater and ice has been observed ...

We spent more than six months researching and testing the best products for acne-prone skin, and asked dermatologists and ...

Xanthommatin helps octopuses and squid blend into their surroundings, thanks to its ability to shift color and absorb light.

The ability of some animals to dynamically change color to match the brightness of their surroundings is one of nature's ...

Pigments are uncommon in the textile industry because, unlike dyes, they are insoluble in water and need a binder to stick to ...