Bart Doudna of Cedar Rapids holds up his sons Cameron Doudna, 5, and Quinn Doudna, 2, while posing for a portrait with a large lighted diamond ring during the Five Seasons Lights at McGrath ...

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 ...

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 ...

NEW YORK (AP) — When the court lights flicker on at the US Open, tennis stars shine under illumination designed to cut light pollution. The wedge-shaped lamps around the USTA Billie Jean King National ...

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 ...