Night on planet Earth is getting brighter as artificial light illuminates more natural spaces. Scientists know a lot about how this messes with ecosystems on land, but new research shows it can ...

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 ...

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 ...

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 ...