If Thomas Edison were to walk down the light-bulb aisle of a modern home-improvement store, he’d be shocked to see what’s become of his brainchild. Long gone are the days of simply choosing a light ...

Buying a light bulb used to be relatively straightforward: Check your old bulb's wattage, head to the store and pick up a new one. But the transition to energy-efficient lighting has changed that.

Finding the perfect smart light bulb is a major challenge. Between the multiple brands to wade through, to figuring out the style you want, and assessing which features you need, we’re going to help ...