However, light that leaves our star also contains UVC radiation, which has a shorter wavelength than UVA or UVB light and ...

This review is for the burgeoning biohacker, the wellness-obsessed, and anyone looking to elevate their health routine beyond ...

The lamp seen here, referred to as a "TEM lamp" is a typical production unit. As in a fluorescent lamp, this lamp makes ultraviolet light by energizing mercury vapor. Fluorescents and other ...

Ultraviolet light is subdivided into UV-A (315 to 400 nm), UV-B (280-315 nm), and UV-C (100-280 nm). Artificial UV used for disinfection is almost always UV-C, so UV and UVC are often used ...

We’ve known for nearly a century that UV radiation is linked to skin cancer, but modern advice about sunburn can be confusing ...

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, ...

NASA captured an image of the sun emitting a powerful solar flare that could interfere with technology on Earth.

Narrowband UVB therapy. This is a targeted form of ultraviolet B (UVB) light. You stand in a light box or your doctor passes a brush or comb over the affected areas.

Both UVA and UVB rays can damage your skin, just in different ways. One causes premature aging, the other is more prone to causing sunburn, DNA damage, and skin cancer.

The James Webb Space Telescope has spotted extreme galaxy clusters generating enough ultraviolet light to account for cosmic reionization.