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.

UV rays can wreak havoc on your skin! Learn from an expert how different skin types are affected, from tanning to ...

The chemical basis of the lichen’s resistance lies in its UV-opaque cortex, a structural layer enriched with phenolic lichen ...

Just like sunscreen has sun protection factor (SPF), there's clothing with ultraviolet protection factor (UPF) to shield skin ...

Within the UV spectrum are UVA, UVB, and UVC rays – divided by wavelength. "The shorter the wavelength, the higher the energy," said Littlewood.

A walk in the desert and a curious discovery could have revealed that the secrets of alien life grow in the harshest ...

From UVA and UVB to SPF, what do all the acronyms on sunscreen bottles mean? Here is what you need to know to make sure you're protecting your skin and buying the right creams.

UVA rays are what tan—and ultimately age—your skin, UVB rays cause your skin to burn, and UVC rays (fortunately) don’t make it past the earth’s atmosphere.

The Environmental Working Group’s annual Guide to Sunscreens included some alarming findings. Chemicals that linger after ...

Ultraviolet (UV) radiation from the sun reaches the earth in 2 main forms - UVA and UVB rays. Although both cause skin ...

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