Ultraviolet (UV) radiation is one part of the electromagnetic spectrum of radiation that reaches Earth from the sun. It is a form of light energy situated on the spectrum just beyond visible light.

Ultraviolet light in sunlight can cause the skin to tan ... Changes in atoms and their nuclei can cause electromagnetic waves to be generated or absorbed. Gamma rays are produced by changes ...

In some cases, certain types of clouds can even enhance UV radiation, this includes thin cirrus clouds which can scatter and reflect light back down to the surface. Ultraviolet radiation is ...

Lake Tahoe is experiencing large-scale shifts in ultraviolet radiation (UV) as climate change intensifies wet and dry ...

Radiation from nail dryers may damage DNA and cause cancer-causing mutations in human cells, a study has found — and that might have you wondering whether your regular gel mani-pedi is worth the ...

Animals with ultraviolet color patterns can be found all over nature. Here’s what we know about what purpose these patterns ...

The next time you see the UV index in the weather forecast, look more closely. You can protect yourself from too much sun.

researchers exposed human and mouse cells to radiation from a popular nail lamp that is used in many U.S. nail salons. When the cells were exposed to UV light from the lamp for 20 minutes ...