As well as some of the darkest skies on the U.S. East Coast, it's also the nation's southernmost point. At 24.5 degrees north ...

To make matters worse, modern society's electric light and bright screens at night trick our body clock into thinking it is ...

Study participants wore trackers on their wrists to measure their activity levels and sleep patterns. We found that people exposed to more hours of blue light in the morning had better sleep and more ...

This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the ...

Scientists have developed a model that predicts a massive boost in OLED brightness using polaritons—hybrid light-matter ...

Medically reviewed by Christine L. Larsen, MD Photophobia is an abnormal sensitivity to light. It is associated with dry eye ...

Ever wondered why some lakes are bright blue while others are green or brown? The answer lies in the way light interacts with ...

The days of holding a mini-Maglite in your mouth and shining it down on a paper sectional are gone thanks to the iPad's ...

See top picks like Naturium, HaruHaru, and EltaMD for broad-spectrum protection and skincare benefits. Find the perfect sunscreen for your needs, from hydration to acne-prone skin.

Discover how to achieve glowing skin by nourishing your body with essential nutrients like protein, vitamins, and healthy ...

Sunday 3/22 at 2 p.m. Back stages are black places, where light is scarce and what light there is intentional, and mostly covered in plastic film that ...

In addition to changing the home’s overall look and flow, this interior designer's remodel helped create an abode that’s ...