Exposure to outdoor light at night could put people at a higher risk of developing Alzheimer’s disease (AD), according to a new study published in Frontiers in Neuroscience. "We show that, in the U.S.

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

David Schechter is a national environmental correspondent and the host of "On the Dot with David Schechter," a guided journey to explore how we're changing the earth and earth is changing us. Aparna ...

The universe is huge. If you want to get a really good look at it, you need to be in the right place, at the right time.

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 ...

Light pollution is a man-made problem caused by the excessive use of artificial lights, especially at night. These lights can disrupt natural sleep cycles, waste energy, and even mislead migratory ...

Global light pollution has increased by at least 49% over 25 years, new research shows. This figure only includes light visible via satellites, and scientists estimate the true increase may be ...

Higher exposure to artificial light at night was associated with increased stress activity in the brain, inflammation in the arteries, and a greater risk of heart disease, according to a preliminary ...

A new study found a link between outdoor light pollution and the prevalence of Alzheimer’s disease. For adults younger than 65, excessive light pollution increased the risk of Alzheimer’s more ...

There are moments when Earth feels small, when it becomes abundantly clear that we’re all just sitting on a rock, spinning through the galaxy — like this year’s solar eclipse, for instance, or the ...

Researchers from Italy, Chile and Galicia have studied and compared the light pollution levels at major astronomical observatories across the world. The study shows that light is polluting the sky ...