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 ...

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.

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 ...