Artificial light is changing the night on the ground and increasingly in orbit, a Cornell researcher argues in a new book ...

Science historian Sara B. Pritchard describes a massive spike in the amount of artificial light in the 21st century, with light pollution increasing by nearly 10% annually between 2011 and 2022.

In the mountains of central Idaho, a hiker reclines in his tent with his head exposed to the crisp night air. Above him, the sky is saturated with stars—dense, brilliant, and sharply defined. For ...

Without a view of the stars at night, Don McLean would never have been able to write Vincent and Vincent van Gogh would not have painted Starry Night. Viewing a sky full of stars is part of what makes ...

Without a view of the stars at night, Don McLean would never have been able to write Vincent and Vincent van Gogh would not have painted Starry Night. Viewing a sky full of stars is part of what makes ...