Buying a light bulb used to be a no-brainer. Now it's a brain teaser; the transition to more energy-efficient lighting means choosing from a dazzling array of products. We've long identified bulbs ...

Compact-fluorescent lights, or CFLs -- the bulbs that look like a twisted ice-cream cone (and won’t fit in many light fixtures where space is tight) -- will become the new norm.

The Jan. 1 deadline to end production of 60- and 40-watt incandescent light bulbs is fast approaching, but most Americans aren't even aware that their traditional light sources will soon become a ...

Today any light bulb can help you read a book in the dark, but Philips Hue smart LED light bulbs can wash a room in a rainbow of color without your having to pick up a paintbrush. Hue’s bulbs ...