See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The phenomenon of bioluminescence first evolved in animals at least 540 ...

Living organisms quietly emit light. This glow is real, measurable, and tied to life itself. Researchers at the University of Calgary and the National Research Council of Canada have now shown that ...

Many animals that appear ordinary in daylight reveal vivid hidden colors when illuminated with ultraviolet light. This effect is not the result of animals producing their own light, but of a physical ...

Add Yahoo as a preferred source to see more of our stories on Google. Shine an ultraviolet flashlight on flying squirrels, and they glow bright pink. Catch a scorpion on a full moon, and you’ll notice ...