The map below shows which states saw the highest levels of light pollution: "I believe that light pollution impacts health generally, including cognitive health, via disruption of circadian ...

A light pollution map of the United States shows the widespread nature of the problem. The eastern half of the United States is almost entirely blanketed by some level of light pollution.

Light pollution not only affects astronomers, it disrupts ecosystems, wildlife and even human health. It typically comes from streetlights, building lighting, advertising and even car headlights.

In the study, researchers analyzed light pollution maps across the country, ranking each state’s "nighttime intensity data." They then looked at the corresponding levels of Alzheimer’s disease.

The researchers studied light pollution maps of the lower 48 US states and incorporated medical data about variables known or believed to be risk factors for AD in their analysis.

The researchers studied light pollution maps of the lower 48 US states and incorporated medical data about variables known or believed to be risk factors for Alzheimer’s in their analysis.

For the study, researchers analyzed light pollution maps for the 48 continental states, comparing them to national data about Alzheimer's disease incidence and known risk factors for the ...

The researchers studied light pollution maps of the lower 48 US states and incorporated medical data about variables known or believed to be risk factors for AD in their analysis.

Light streaks caused by passing satellites mar images taken by the world's most expensive telescopes. The problem is set to ...