The numbers you see on the box don't always work out in real life. LED bulbs do last longer, but those claims about five to 10 years are estimates based on internal testing -- and companies are always ...

Philips is already coming out with an improved version of its LED bulb that replaces 60-W incandescents. You know technology is maturing when you start to see second and third-generation products.

Like it or not, energy-saver light bulbs are about to become the next big thing. Starting next year, lighting manufacturers will begin a government-sanctioned phase out of incandescent bulbs that ...

LED lightbulbs are supposed to last thousands of hours, so how come some of them stop working so fast? The answer might be in where you place those lights.