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 ...

Living in areas saturated with artificial outdoor light at night is associated with an increased risk for Alzheimer's disease (AD), a new national study suggested. Analyses of state and county light ...

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 ...

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 ...

Scientists have shown that light pollution—especially light in the blue spectrum—can alter the behavior of fish after only a few nights, and have knock-on effects for their offspring. The team from ...

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, ...

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, ...

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 ...

Light pollution refers to the excessive or misdirected artificial light produced by human activities, especially in urban areas. This includes streetlights, neon signs, brightly lit buildings, and ...

While headlines focus on the pressure that massive data centers place on Pennsylvania’s power grid and water resources, a quieter hazard has gone unnoticed: light pollution. A hyperscale data center ...