Light pollution is a man-made problem caused by the excessive use of artificial lights, especially at night. These lights can disrupt natural sleep cycles, waste energy, and even mislead migratory ...

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, ...

Alzheimer’s disease impacts more than six million Americans, but the exact cause of the devastating condition is still being investigated by scientists. Now, new research has found a new risk factor ...

Researchers from Italy, Chile and Galicia have studied and compared the light pollution levels at major astronomical observatories across the world. The study shows that light is polluting the sky ...

When a 1994 earthquake knocked out power across Los Angeles, thousands of anxious residents called local emergency services to report a strange, silvery cloud stretching across the darkened sky. What ...

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 ...

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 ...

Excess light at night can contribute to air pollution, according to a study by scientists at the National Oceanic and Atmospheric Administration (NOAA) and the Cooperative Institute for Research in ...

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 ...

A new study suggests that early-life exposure to two widespread environmental pollutants -- small particle air pollution and outdoor artificial light at night -- could increase the risk of pediatric ...