Artificial light should be classed as a pollutant, says the UK's Royal Astronomical Society (RAS), in an appeal to curb its negative effects on human health and nature.

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, ...

IRVING, TX — The Plastics Pipe Institute (PPI) has published a new technical document that provides recommended installation practices for PEX piping exposed to indoor artificial lighting. PPI TN-72 ...

The sun is our planet’s source of natural illumination, and though we’ve mastered making artificial light sources, it remains extremely difficult to copy our nearby star. As if matching the intensity ...

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 ...

To ensure accuracy, researchers focused only on artificial light sources. Natural phenomena such as wildfires and auroras, which the satellites can also detect, were excluded from the analysis. A Push ...