Over the past 100 years, humans have transformed the night, erasing the natural darkness with which we evolved. While ...

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 ...

Excessive light pollution at night may increase the risk of Alzheimer’s disease – especially in younger people, warns a new study. Researchers found that exposure to outdoor light after dark could ...

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 ...

We asked the experts: It’s time to turn off all of those lights. Here’s why.

Add Yahoo as a preferred source to see more of our stories on Google. Turning off the lights at night has long been known to support restful sleep, but new research suggests it may have another ...

Higher levels of artificial light at night were linked to increased stress-related activity in the brain, inflamed arteries and a higher risk of heart disease, according to a preliminary study ...

Artificial light has extended our days, but it is also quietly reshaping how our brains and hearts function at night. A growing body of research now links bright bedrooms, glowing streets and ...

New research shows artificial light can upend underwater communities around coral reefs just like they do on land. (Story aired on All Things Considered on Dec. 30, 2024.) Night on planet Earth is ...