Six species of North American bats glow under ultraviolet lighting, according to a new study. Researchers don’t know why ...

How sunny is too sunny? Sometimes it's tough to know, but as temperatures reach new highs in Michigan, understanding the UV index can help you avoid sunburns and heat-related illnesses. The sun's ...

AUSTIN, Texas — Springtime is short in the South, while summer is long, hot and seemingly never-ending. Transitioning into spring, you'll hear many folks talk about the UV index as the days start to ...

Learn more about bats in the Americas and why they seem to mysteriously glow green under UV light.

Most of us check the temperature every morning before we head outside, but there’s another number on your weather app that’s just as important: the UV Index. The UV Index tells us how strong the sun’s ...

LANSING, Mich. (WLNS) — As we continue into the dog days of summer we have seen our fair share of sunshine, heat and humidity. You’ve probably heard the weather team here mention the UV Index a few ...

UV light is one of the most effective methods of sanitation. Here's how UV rays work and evidence that at-home UV sanitization is a great tool.

As summer approaches and sun exposure increases, experts at the University of Alabama at Birmingham are shedding light on what really happens to our skin when exposed to ultraviolet (UV) radiation and ...

Wearing sunscreen all year round can help protect your skin from harmful UV rays. CREDIT: DieterMeyrl via Getty Images. Get the Popular Science daily newsletter💡 ...

The UV index measures the intensity of skin-damaging ultraviolet radiation at the Earth's surface. The UV index ranges from 0 to 11-plus, with higher values indicating greater risk of sunburn and skin ...