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

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—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.

Here's how to watch back-to-back northern lights on Monday, July 30, and Tuesday, July 1, in the United States.

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

Over the last two decades, the scientific community has made rapid strides in understanding climate change and air ...

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 ...

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

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

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.