A fresh surge of solar energy is headed toward Earth, sparking a round of auroras across parts of the northern United States ...

Wondering what to do in Greenland? This massive, ice-covered country actually has a lot to offer — like these Top 10 best ...

Cities have long equated brightness with safety. From sodium vapour lamps to high-efficiency LEDs, the evolution of urban ...

JEAN LAFITTE, La. ( WGNO) — LSU entomologists are working to bring fireflies back to Jean Lafitte. Christine Gambino, an ...

That’s because a lot of that heat leaks out of the house — and the colder it is outside, the faster the warm, inside air ...

As the year turns and Earth dips out of the “solar maximum," will Oregonians continue to have chances to see the northern ...

The sky show continues as auroras continue to glow across far northern skies tonight, Jan. 13. Here's everything you need to ...

From Northern Lights in Denali to whale watching in Maui, these U.S. national parks offer rare winter experiences without ...

Auroras may be visible across higher-latitude regions tonight, Jan. 12, as Earth continues to feel the after-shock of recent ...

Supporters say making public agencies dim outdoor lights will prevent disturbing wildlife and preserve Maine's dark night ...

This part of Oregon has incredible nighttime views of the Milky Way, planets, and deep-sky objects. Here are the best places ...

During the darkest weeks of the year, most of us welcome well-lit streets and sidewalks. But too much artificial light, where ...