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 ...

Light pollution is bad. Not only is it bad for astronomers—making it harder for them to see the night sky and study the stars—but now researchers believe there might be a connection between light ...

Add Yahoo as a preferred source to see more of our stories on Google. Hong Kong Light Pollution Lam Yik Fei/Getty Images Our night sky is rapidly disappearing. At our current rate of dumping excess ...

Excessive exposure to light pollution at night could increase the risk of Alzheimer’s disease, says US researchers. Alzheimer’s disease affects over 940,000 people in the UK today, and this number is ...

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 ...

Peggy Singlemann visits astronomer Kelsey Johnson at UVA’s Morven Sustainability Lab to learn how light pollution impacts plants and wildlife. Featured on VHG episode 2507, September 2025. Virginia ...