Light pollution, or artificial light at night (ALAN), is a widespread phenomenon in areas with dense human populations. Normally, animals use natural external cues, like sunlight and temperature, to ...

Birds like this western meadowlark are singing earlier in the morning and later at night thanks to light pollution. Light pollution is causing non-nocturnal species of birds to sing for 50 additional ...

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 ...

Artificial light pollution is a lesser-known factor contributing to the decline of pollinator species. Light pollution negatively impacts nocturnal pollinators like moths and bats, disrupting their ...

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!” ...

In cities across the world, artificial light pollution blots out the bright stars of the night, rendering their dark canvas a ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. A view of the Milky Way near a light-polluted area in Porto Cesareo, Italy, on August 6, ...

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 ...