This image illustrates the 9-point Bortle scale, which quantifies the impact of light pollution on the darkness of a night sky at a particular location. Star visibility increases dramatically from ...

Here is everything I saw with a smart telescope in a light-polluted city including galaxies, nebulas and star clusters.

Earth's satellite problem is only getting worse as time goes on and more satellites are sent into orbit. One of the chief issues with the number of satellites in orbit is how much they can affect our ...

Birds that are active during the day sing later into the night in places with significant light pollution, according to new research.

When night falls in the Atacama Desert in northern Chile, brilliant constellations shine down on the dry plains.

Artificial light, while beneficial to humans, has disrupted the natural day-night cycle and created light pollution, negatively affecting wildlife. Humans also suffer from light pollution, ...

Recent scientific findings have revealed a startling connection between nighttime light exposure and cognitive health, particularly regarding early-onset Alzheimer’s disease. This groundbreaking ...

Researchers say that exposure to bright outside lights at night could increase your odds of developing Alzheimer’s disease more than other risk factors, especially for young people. “We show that in ...