To get through the hottest days of summer, here's how to read the UV index so you know when the sun is most dangerous.

What is ultraviolet light, and where does it come from? Learn how UV radiation is classified, measured, and used in medicine, ...

The Texas summer is predicted to be “ hotter than normal ” in Fort Worth. With a week of seven 90 degree days in a row, residents are bound to need some sun protection. However, the temperature ...

They have higher wavelengths but lower energy levels than other UV rays. They’re more penetrating than UVB rays, which means they can affect cells deeper in your skin.

An 18-year study reveals dramatic year-to-year variations in ultraviolet radiation penetration tied to Sierra Nevada ...

Shorter-wavelength UV-B and UV-C LEDs are of interest for several applications, primarily owing to the interaction between UV radiation in this wavelength regime and biological species.

Anyone who ever ended up with a sunburn knows violet wavelengths are real, as the Sun’s ultraviolet (UV) radiation is the reason you need to wear sunscreen, even though you can’t see those ...