So, he decided to take matters into his hands and capture the galaxy at every pollution level in real-life. "I photographed ...

If you live in or near a crowded city and have tried to see the stars or a meteor shower in the night sky, you probably had little luck. The reason is light pollution. Light pollution is when urban ...

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 ...

Light pollution significantly impacts our connection to the stars and poses risks for future generations. This video explores ...

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 ...

Astronomers around the world are calling for international agreements to limit the spread of satellite constellations in space, with warnings that light pollution at night from the satellites damages ...

In brief: The problem of light pollution has once again been raised after researchers revealed that one of the brightest objects visible in the night sky is the communications satellite BlueWalker 3.

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, ...

Excessive artificial light at night (ALAN) harms ecosystems and human health. LED lights, while energy-efficient, often produce excessive blue light, worsening ALAN. Properly designed outdoor lighting ...