Goodbye sunbeds, orange skin, and weird streaks on the sheets: sunless tanning is becoming the big trend for 2025, far beyond the simple TikTok fad. With the explosion of social media and glamorous ...

The UV Index provides a measure of the sun's ultraviolet radiation, a short wavelength of light invisible to humans, that can cause sunburns. Sunburns are a factor that can lead to deadly health ...

July is UV Safety Awareness Month, highlighting the growing risks of UV radiation and encouraging the use of protective measures to reduce sun-related health threats.

Why does it matter? Ultraviolet light has shorter wavelengths than visible light, according to NASA. Although UV waves are invisible to the human eye, some insects, such as bumblebees, can see them.

During this process, a lamp that uses long-wave ultraviolet (UV) light will make certain cells show color or appear fluorescent, according to the Cleveland Clinic.

Does light behave more like a particle, or like a wave? Today we know the surprising answer. Here's why it took so long to get there.

Determines whether blue zircon, inadvertently altered to brown by exposure to long-wave UV radiation, can be restored to its original color through the use of incandescent light.

Health experts have warned against the harmful effects of UV rays, which can damage your skin and your eyes. High energy blue light waves are nearly as powerful.

UV light is subdivided into three types depending on its wavelength: A, B, and C. UVA contains the long-wave UV light that reaches the surface of Earth, whereas shorter-wave UVB and UVC are mostly ...

Gel manicures require exposure to ultraviolet light for the polish to harden. Dermatologist weighs in on how that impacts skin cancer risk on the hands, nails.