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.

Aotearoa New Zealand officially celebrates Matariki for the fourth time, marked by the reappearance in the night sky of the ...

Previously the changes in the skyglow filling our sky haven’t been measured on a global scale. While satellites can measure light pollution, they don’t have sensors with the correct ...

New research suggests that nighttime light exposure could be accelerating early-onset Alzheimer’s. Discover the hidden danger of light pollution.

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 ...

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.

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.

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