Global warming has created a feedback loop, wherein Arctic sunlight converts thawing ice into more CO2.
Male parrots' fluorescent feathers set all the girls' hearts a flutter.
Ever wonder why our freckles seem to multiply with the advent of warmer weather and longer days?
Researchers have been studying the effects of UV rays on whales in the Gulf of California for over three years...
Want to stand out in the crowd? Find out what gives fluorescent colors their bright glow.
Scientists believe they have a high-tech use for one of nature's natural anti-bacterial agents, ultraviolet light. They can use it to replace pasteurization.
Supernovas explode with a bright burst of radiation, giving off as much energy in a few days as our sun will give off in its entire lifetime.
Flowers broadcast their hidden treasure with bright colors, sweet scents and beautiful markings. However, flowers' markings are more than cosmetic...
What if you're a bird of prey, looking down on miles of grassland or desert, trying to spot a meal that's only an inch or two long?
What would it be like if our eyes evolved to see infrared light?