Does colorful light therapy actually make a difference? I tested a range of devices on my acne-prone skin to find out.

Antennas receive and transmit electromagnetic waves, delivering information to our radios, televisions, cellphones and more.

When the lights went out in 1977, New Yorkers could see how much they were missing. Light pollution, the term for the brightening of the night sky by unnatural lights, is increasing worldwide.

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...

But exactly what kind of access that provides—and whether he has appropriate security clearance to access the nation’s most sensitive data—is still unclear to even top officials in the Trump ...

And while these therapies don't use UV light, which can damage your skin and eyes, it's best to reduce eye exposure to the bright lights. "Bright lights are not great for eyes," she said.

Learn more Over the years, I've tested dozens of moisturizers in my search for products that hydrate, smooth, and soften my sensitive skin without irritating it. It's not been an easy feat ...

If you search “lip combos” on YouTube or TikTok, chances are every video will have a common denominator: lip liner. And not just any lip liner; many of these videos feature lip liners in deep ...

I’ve tested many dozens of light bulbs and other lighting devices over more than a decade covering smart-home tech. I take detailed measurements using a digital light meter. I either return or ...

One of the most interesting discoveries is that opsins—a class of light-sensitive proteins found ... First, different lights are used for different skin issues, with blue targeting acne and ...

Housing 770 LED bulbs, which is much more than the others on this list, this hard plastic mask has six different settings and four different lights ... those more sensitive to light, handy eye ...