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 ...

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 ...

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 ...

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 ...

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.

Humans are naturally afraid of the dark. We sometimes imagine monsters under the bed and walk faster down unlit streets at night. To conquer our fears, we may leave a night light on to scare away the ...

Light therapy can boost your mood, but you need the right model. Here's what experts say about picking an effective model. Corin Cesaric-Epple Editor Corin Cesaric-Epple is an Editor at CNET. Her ...

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 ...

I took the Irix Edge Light Pollution Filter on a night shoot to capture astro and low-light city shots. Here's how I got ...