Light pollution, defined as the improper use and overexposure to artificial light at night, has emerged as a significant global environmental issue with far-reaching consequences. Research shows that ...

Imagine stepping outside on a clear night, looking up at the stars, only to find the heavens dimmed to a faint, featureless glow. Where once the Milky Way stretched across the sky, now only a handful ...

On a crisp night last fall in the Arizona desert, I stood amid sand and scrub at the intersection of Valencia and Kolb on the outskirts of Tucson and beheld a gleaming gas station. To say that this ...

You may have seen reports late last month about a new study showing how too much light at night is affecting birds — the latest sign of a problem that has implications for us, too. The study’s ...

For decades, amateur astronomers have railed against light pollution — the single greatest negative impact of humans on the night sky. Initially, the argument was, “We can’t see the stars anymore!” ...

A new study suggests that early-life exposure to two widespread environmental pollutants -- small particle air pollution and outdoor artificial light at night -- could increase the risk of pediatric ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our ...

Light pollution is the poor management and distribution of artificial lighting released into the natural environment. Michelle Wooten, Ph.D., assistant professor of astronomy in the Department of ...

Therésa Jones receives funding from the Australian Research Council. Nikolas Willmott received funding from the Holsworth Wildlife Research Endowment, Ecological Society of Australia, and the ...