Utah is serious about the stars.

Add Yahoo as a preferred source to see more of our stories on Google. Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, ...

The morning sun is hidden behind clouds facing the East Foothills during sunrise at the Palo Alto Baylands. Photo by Veronica Weber. For Palo Alto’s conservationists, the adoption of a “dark sky” law ...

SPRINGFIELD, Mo. – Light pollution is the presence of unwanted, inappropriate, or excessive artificial lighting. Light pollution can have several consequences such as washing out starlight in the ...

Highland Council says it already has some of the darkest skies in Europe for stargazers to enjoy.

Nusrat Ghani MP has voiced support for a project aimed at protecting the night sky from light pollution.

David L. Crawford, an astronomer and one of the pioneers of the modern dark-sky movement, died peacefully July 22 in Carlsbad, California. During a decadeslong tenure at Kitt Peak National Observatory ...

For most of human history, darkness was a constant. The rhythms of nature, wildlife behavior, and even human sleep evolved under predictable cycles of day and night. In the past century, however, ...

DAVIS MOUNTAINS STATE PARK, Texas — It's a packed night at McDonald Observatory, where dozens of people are crowding around high-powered telescopes as a thunderstorm rolls off to the east. Locals and ...

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 ...