Once upon a time, buying a lightbulb meant choosing an incandescent one of between 25 and 100 watts, depending on how bright you wanted the light to be and the fixture you were putting it in. You ...

LED lightbulbs have slashed the amount of energy we use to light our homes. New data illustrate just how much. Jon covers artificial intelligence. He previously led CNET's home energy and utilities ...

When the power goes out, scrambling for a flashlight can be frustrating. Light bulbs with backup batteries solve this by providing light even during an outage. These innovative bulbs charge their ...

Whether one of your lights went out and you only have an LED bulb on hand to replace it with, or you've decided to completely replace all of your incandescent and fluorescent lights with LED bulbs, ...

I've completely swapped my home over to LED lights, and for the most part, I love it. The energy savings are real, and I'm a sucker for all the smart color changing tes. But my biggest grievance is ...

It's a common situation: you open the fridge, and the light doesn't come on. So you decide to save the day and just swap in a regular bulb from the junk drawer. But before you do, you should know that ...