Despite the vast number of stars in the universe, the night sky on Earth remains dark. This paradox, known as Olbers' Paradox ...

Western states like Montana or Utah might get most of the glory when it comes to stargazing, but there are plenty of places a ...

From contributing to sleep disorders and depression in humans to habitat disruption over multiple species, light pollution ...

We more safely roam city streets after dark. The city of Las Vegas dumps an enormous amount of light into its environment, turning the night sky above into a seemingly blank canvas. Photograph by ...