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

Electromagnetic radiation is a form of energy that includes radio waves, microwaves, X-rays and gamma rays, as well as visible light.

For the first time, researchers have seen how light behaves during a mysterious phenomenon called 'imaginary time'. When you ...

The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. ( 1) Different types of electromagnetic radiation such as radio waves, microwaves, visible light, ...

That's according to scientists who have found that lichen in the Mojave Desert managed to survive for 3 months under levels ...

UV radiation is a form of electromagnetic energy emitted primarily by the sun and specific artificial sources. It falls just beyond the violet end of the visible light spectrum, making it ...

Electromagnetic waves are transverse waves and can travel through a vacuum and maintain that speed and can also travel the speed of light.

Most people interpret radiation as a bad thing—but it isn’t always. In fact, radiation is a very normal phenomenon. For now, let’s just say that radiation is when an object produces energy.