Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

The irony at the core of this article is that I learned about the Light Phone III while scrolling endlessly through articles on my iPhone, something that the Light Phone III absolutely can't do. And ...

America's rapid adoption of LED lighting saves money and uses less electricity. But it's also making it harder to see the stars. Light pollution comes from excessive artificial light that causes the ...

Share on Pinterest Sleeping in total darkness may help lower your risk of cardiovascular disease. d3sign/Getty Images A recent study reports that exposure to light during sleep is associated with a ...

New research shows that light’s magnetic field is far more influential than scientists once believed. The team found that this magnetic component significantly affects how light rotates as it passes ...

As Apple prepares to introduce its AI-powered features for the iPhone, another company is taking the opposite approach: Instead of building a phone with more technology, it’s opting for less. Light, ...

Excessive outdoor lighting is deadly to animals and takes a toll on human health and wellbeing, too. But when it comes to large-scale environmental problems, this one may be a relatively easy fix.

Light therapy can boost your mood, but you need the right model. Here's what experts say about picking an effective model. Corin Cesaric Editor Corin Cesaric is a Flex Editor at CNET. She received her ...

Or Graur does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Have you noticed you're sleeping a little longer? Maybe you're experiencing a shift in appetite — craving more sweets or pasta. In autumn, our bodies sense the change in light as the dark winter ...

Turn out the lights for a good night of sleep: this seems like common sense, but many Americans don't actually follow it. New research shows it doesn't take much light at night to hurt our health.