Are your neighbor's outdoor lights keeping you up? Learn why modern lighting is so disruptive and what you can do about it.

The risk and harms of AMD increase after age 65, but bright lights afflict younger people, too. One explanation is dry eye, ...

Did you know some of the brightest sources of light in the sky come from the regions around black holes in the centers of galaxies? It sounds a little contradictory, but it's true. They may not look ...

When you need to light up your back patio or the area around your garage, a bright outdoor light will do the trick. But when you're looking for an extra-bright light, it can be hard to know which one ...

Add Yahoo as a preferred source to see more of our stories on Google. Nanoleaf lights in a blue tint outdoors at sunset. Spring is here, which means you can finally spend more time outdoors. This is ...

The flashlight I use most often is built into my phone and it’s around 50 lumens. It works fine up close, but there are pocket-sized flashlights that can illuminate an entire football field. There are ...

After examining 13 million hours of light exposure data, researchers found that experiencing bright light during the dark hours can significantly increase the risk of heart failure and heart attack.