Dr. Oyetewa Asempa at Baylor College of Medicine often reminds her darker-skinned patients: “All of the problems that you’re coming to see me for are caused or worsened by the sun.” ...

People with darker skin still need to wear sunscreen — for more reasons than one. Too much ultraviolet exposure from the sun can lead to sunburn, dark spots and wrinkles, and increased risk of skin ...

Lake Tahoe is experiencing large-scale shifts in ultraviolet radiation (UV) as climate change intensifies wet and dry extremes in the region.

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

Germs typically not only get bad press, but have in recent years borne the brunt of Covid-related hygiene with handwash dispensers and signage still a common sight in public spaces.But just as good ...

The southwestern United States is bracing for “extreme” levels of ultraviolet (UV) radiation this Saturday, May 10, 2025.

The fundamental building blocks for planet formation can exist even in environments with extreme ultraviolet radiation, according to a new study.

To capture these otherworldly images he uses a technique called ultraviolet-induced visible fluorescence photography, or UVIVF for short. The process uses ultraviolet light to cause substances to ...

But unprotected exposure to the sun's ultraviolet (UV) rays can cause damage to the skin, eyes, and immune system. It can also cause cancer. There are other contributing factors such as heredity and ...

Atmospheric ozone absorbs ultraviolet (UV) radiation from the sun, particularly harmful UVB-type rays. Exposure to UVB radiation is linked with increased risk of skin cancer and cataracts ...

It is found that the electrical and optical characteristics of AlGaN-based micro-LED arrays show strong size dependence for ultraviolet communication (UVC). The differential resistance increases from ...