Most people think of light as harmless. We switch on lamps after sunset, scroll through phones in bed, and keep rooms softly glowing till late. But research now shows that light at night may not be as ...

Flinders Health and Medical Research Institute researchers, along with colleagues in the UK and U.S., have linked brighter night-time light exposure to elevated risks of five major cardiovascular ...

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 lights at night brightened up planet Earth by 16% between 2014 and 2022, a new study using satellite images has revealed. But some areas, including those struck by war and natural disasters ...

“THESE people aren’t really blind, they are lying.” So stated one journal editor when confronted by an experiment whose results seemed impossible. The experiment involved clocks. Body clocks. Our ...

Unlike air or water pollution, light does not leave a physical residue in the environment. Yet it can alter the natural cycle ...

A new study from Harvard has found a link between night time light exposure during sleeping hours and heart disease. Scientists say that artificial light exposure at night from devices or household ...

Earth’s nights are steadily getting brighter. However, these changes vary dramatically by region. In terms of areas becoming brighter, rapid urban growth is lighting up countries like China and India.

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, ...

Higher levels of exposure to 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 small study ...