Excessive artificial light at night (ALAN) doesn’t just pollute the sky. It may also pollute the brain. That’s according to a surprising new study focused on light pollution and Alzheimer’s disease ...

The Royal Astronomical Society is urging governments to classify artificial light as pollution, citing growing risks to ...

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.

Scientists are tapping into photographs taken by astronauts aboard the International Space Station (ISS) to reliably measure the amount of light pollution worldwide. This study not only includes the ...

Light pollution is a growing issue. Over the past 25 years, artificial lighting has surged by 49% worldwide. For perspective, the brightness of the night sky has risen by almost 10% per year over the ...

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 ...

We have been battling against urban light pollution, because let’s be honest, we all miss the stars that have been blocked out by the bright city lights. However, the answer comes in the form of ...

As darkness falls, the nocturnal half of the animal kingdom starts its day. Nocturnal species are perfectly adapted to navigate and survive the dark of night that has existed for countless millions of ...

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 ...