Thousand Hills State Park superintendent Ryan Persinger poses next to one of the park’s cabins. The flat, square light built into the cabin’s awning behind him produces less light pollution than the ...

Buying a light bulb can be complicated. If you don't take the time to figure out what type of bulb you need, it may not match the color of the other bulbs in the room or even work in your fixture.

There's a lot to like about this low-cost LED light bulb -- but how good is it on dimmer switches? Ry Crist Former Senior Editor / Reviews - Labs Originally hailing from Troy, Ohio, Ry Crist is a ...

The Energy Independence and Security Act of 2007 requires most screw-in lightbulbs to use at least 27 percent less energy by 2014. CFLs, LEDs, and some halogen bulbs, a type of incandescent, meet that ...