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, ...

New research has revealed for the first time the full extent of how "Artificial Light At Night" (ALAN) is increasing carbon released by plants and animals across continents—without any increase in the ...

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 ...

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. ...

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 ...

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 ...

Study finds that exposure to natural light through windows results in more glucose time in range than day-long artificial ...

The rapid advancement in artificial light-harvesting systems has opened new avenues to mimic natural photosynthesis, facilitating the efficient capture and directed transfer of solar energy. These ...

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