Matter has finally brought the price of HomeKit lights down. This RGBCW smart bulb offers 16 million colors and rock-solid connection for under $10.

Step outside just after sunset and you may catch an unusual sight: six planets strung across the sky in a gentle arc. The ...

After 16 weeks of testing, we noticed visible results. Here are our favorite red light therapy devices for hair growth.

Businesses, municipalities, and universities from coast to coast have embraced the long-term benefits of LED lighting. However, many organizations miss out on additional ...

A new Stanford-designed optical amplifier uses energy recycling in a resonator to deliver strong, low-noise amplification with far less power.

Kara Tsuboi covers today's top tech stories. Ring is ending its Search Party feature, Firefox rolls out new AI-powered controls for users, and a rare planet parade will light up the night sky this ...