Indiana ranks worst in the U.S. for lung health due to high smoking rates and poor air quality, while Colorado and Hawaii ...

Poor air quality caused by ozone and other sources prompted the warnings across six states on Thursday and Friday.

Where to go in the Midwest Whether it’s Lapland or the Great Lakes, successful aurora hunting requires a dark sky with limited light pollution.

Have you ever stood under a vast, dark sky and wondered if magic was possible? Witnessing the northern lights feels exactly ...

What makes her work notable is its charm and cheerfulness — and the way those qualities mask the darker realities embedded in the national mythos. It’s a map as America wished to be seen, not ...

Residents of Johor Bahru are shielding their eyes from a glowing red billboard that's turning neighborhoods into unintentional light shows.

Light pollution is a visual barrier to experiencing these important stars. Since the passage of the legislation, local councils across the country have marked the public holiday with various light ...

Light pollution is a visual barrier to experiencing these important stars. Since the passage of the legislation, local councils across the country have marked the public holiday with various light ...

Diminishing night sky: Light pollution from cities and satellites is making stars harder to see by Shea Esterling, William Grant, The Conversation edited by Gaby Clark, reviewed by Andrew Zinin ...

About half of all New Zealanders can no longer see the Milky Way in winter due to light pollution from ever brighter cities and expanding satellite constellations.

By ISABELLA O’MALLEY Associated Press Summer will make a dramatic entrance in the U.S. this week with a heat dome that will bring stifling temperatures and uncomfortable humidity to millions ...