Red-light devices are all over social feeds and make enormous promises. From the many, we find the few that are actually worth your commitment, time, and money.

Blue light comes naturally from the sun, the biggest source of blue light we consume, but it can also come from artificial sources like smartphone screens, televisions and fluorescent and LED lights.

Tassei Denki Co. is preparing to launch a Kickstarter campaign for a plug-and-play light gun that supports modern displays and comes pre-installed with Time Crisis. Although the ...

Mayor Ed Gainey said there are 400 additional crews headed to the area, and 70 already called in to aid Duquesne Light.

What is a Glock switch? Also called a "chip" or "auto sear," it's a small device that gets installed on the back of a Glock handgun.

Light sensitivity in one eye could be due to minor injuries, migraine, infections, neurological disorders, or other conditions. Learn more.

Intrigued? Find out our picks for the best red light therapy blankets here, and find out more about what the treatment can do for your skin and body.

Light bulb security cameras offer a monitoring alternative with super-simple installation. Here are our favorite models.

Red light therapy could help with common aches and pains, but researchers don’t yet know how or what makes a device effective.

Red-light masks use low levels of light-emitting diode, or LED, to stimulate skin cells, says Dr. Jennifer Sawaya, a dermatologist at U.S. Dermatology Partners Scottsdale in Arizona.

Dying Light: The Beast's release date has been set for August 22. Here's everything you need to know about Kyle Crane's return to Techland's beloved zombie franchise, from platforms to pre-orders.