UV radiation comes primarily from the sun and is made up of UVA, UVB, and UVC rays. ... UVC radiation spans a wavelength of 100–279 nm. While it originates from the sun, ...

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

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.

Ultraviolet radiation is quantified daily using the “UV Index”, which takes into account calendar date, location, and weather conditions. At a UV index of 6, the risk of getting sunburned ...

A type of lichen was able to survive extreme UV radiation in the lab, suggesting that ozone protection might not be required for life on exoplanets.

Weather forecasts often include the UV index for the day, a scale ranging from low to extreme. The higher the number, the greater the risk. In 2024, UV levels were very high or extreme on 151 days ...

Skin cancer. UVB radiation is known to damage DNA at specific sites (neighbouring pyrimidines). Mutations in the p53 tumour suppressor gene in human skin carcinomas were found at precisely these sites ...

BASKING IN THE sun has been considered a health hazard for at least four decades. The main risk comes from ultraviolet (UV) light, which the Sun emits alongside visible radiation. This can ...