Michiganders enjoying the first sunny days of spring often find themselves sporting a nasty sunburn. But the threat from the sun's UV rays doesn't end when you get a tan, it continues throughout the ...

Add Yahoo as a preferred source to see more of our stories on Google. The sun's ultraviolet radiation, a short wavelength of light invisible to humans, can cause sunburns, which can lead to deadly ...

PHOENIX — Ultraviolet light is a type of electromagnetic radiation. It's responsible for the glow in a black light poster, or the bronze on your skin from a summer tan. Overexposure to UV radiation ...

The UV index measures the intensity of skin-damaging ultraviolet radiation at the Earth's surface. The UV index ranges from 0 to 11-plus, with higher values indicating greater risk of sunburn and skin ...