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 ...

The fundamental building blocks for planet formation can exist even in environments with extreme ultraviolet radiation, according to a new study by an international collaboration led by Penn State ...

UV is a type of electromagnetic radiation that produces light not visible to the naked eye. The most common source is sunlight. UVA and UVB rays may cause damage to your skin and increase the risk ...

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

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 ...

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