Light pollution—an unintended consequence of urbanization—casts an artificial glow over much of the Earth, masking the stars and erasing the natural rhythms of the night.

Sacramento is one of California’s most light polluted cities. The Bortle scale is a nine-level numeric scale measuring the night sky's brightness of specific locations with one being perfect ...

Light pollution stimulates cyanobacterial growth and metabolic processes in lakes, large-scale experiment shows. Story by Science X staff • 2w.

Light pollution is harming our health. ... Some smaller-scale, preliminary research raises the possibility of increased risk for heart disease, diabetes, and depression.

The effort against light pollution doesn't desire a return to the pioneer days, said Christopher Kyba, a scientist at the German Research Center for Geoscience in Potsdam, who studies the ...

While recent research shows the night sky is getting brighter every year across North America, the Big Bend area in Texas has ...

There are, fortunately, ways to combat light pollution. Some areas are designated as Dark Sky places, which means that they ...

About half of all New Zealanders can no longer see the Milky Way in winter due to light pollution from ever brighter cities ...

FRIDAY, April 18, 2025 (HealthDay News) -- Babies exposed to air and light pollution have a higher risk of developing childhood thyroid cancer, a new study says.

Exposure to light pollution increased thyroid cancer risk as much as 25% FRIDAY, April 18, 2025 (HealthDay News) -- Babies exposed to air and light pollution have a higher risk of developing ...

Artificial light that is scattered in the atmosphere and brightens the night sky can have an effect far from where it is emitted. This phenomenon is known as artificial skyglow.