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 ...

The DesignLights Consortium (DLC) this month finalized a policy aimed at promoting installation of commercial lighting products that advance energy efficiency, drive adoption of controls, support ...

Global light pollution has increased by at least 49% over 25 years, new research shows. This figure only includes light visible via satellites, and scientists estimate the true increase may be ...

Artificial light, while beneficial to humans, has disrupted the natural day-night cycle and created light pollution, negatively affecting wildlife. Humans also suffer from light pollution, ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Scientists researching the prevalence of Alzheimer’s disease ...

Pavla Rosenstein, a New Haven resident, has not been able to sleep since the city installed new street lights in her neighborhood. She has had to buy blackout blinds to sleep in her own room. “The one ...

There are moments when Earth feels small, when it becomes abundantly clear that we’re all just sitting on a rock, spinning through the galaxy — like this year’s solar eclipse, for instance, or the ...

How dark is the night sky where you live? If you’re in an urban area, the answer will likely be “not dark at all”. The pervasiveness of artificial light – be it in the form of streetlamps, billboards, ...

After passing a Dark Sky ordinance to curb light pollution and save energy, Pittsburgh is installing adjustable streetlights. 50 States, 50 Fixes After passing a Dark Sky ordinance to curb light ...