Artificial light has disrupted people’s sleep and circadian rhythms. KPBS sci-tech reporter Thomas Fudge says it’s also affecting the sleep and behavior of other living things that share our urban ...

Artificial light at night extends pollen season and increases allergen exposure in Northeastern United States cities. Lin ...

Like most species, bees have a circadian rhythm that affects their internal functions and behaviors, such as their sleep cycles. When humans don't get enough restful sleep, it can create problems such ...

Light pollution is increasing worldwide, leaving a significant impact on our wildlife. Artificial light at night, also known as ALAN, is growing at an average annual rate of approximately 2-2.2%. A ...

Good sleep hygiene calls for, among other things, a cool, dark and relaxing environment. It turns out the dark part is key to helping prevent heart disease. People who are exposed to more artificial ...

The early bird gets the worm, as the old saying goes. And now a lot of birds around the globe are starting their days earlier than ever, because of unnaturally bright skies caused by light pollution. ...

Artificial light can wake sleeping fish and attract predators, changing nighttime coral reef communities, according to new research using novel underwater infrared cameras. Artificial light can wake ...

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 ...

Higher nighttime light exposure is associated with increased light sleep duration, with complex effects on deep sleep duration. New research reveals how outdoor nighttime light exposure subtly impacts ...

The reason I spend nights exploring such places is my ongoing photo series, in which I take advantage of the darkness to ...