A wildfire in the mountains north of Los Angeles is tearing through thousands of acres and forcing evacuations after igniting ...

Skies across many areas of Colorado have been hazy this week, largely due to fires in other states, and the smoke is expected ...

Some effects of Arizona's Dragon Bravo Fire are clear, but what's happened to wildlife may not be known until the flames die down.

Extreme heat warnings cover most of the southern half of Arizona and continue into southeastern California. Areas including ...

Permaculture instructor Andrew Millison explores the Central Arizona Project canal, which has unintentionally created a significant water harvesting swale across the landscape. This broad example of a ...

The Dragon Bravo wildfire, one of two fires north of the canyon, burned down the historic Grand Canyon Lodge and nearby ...

An outdated map is helping shape the land security debate in Arizona.

A massive wildfire is churning through Los Padres National Forest in central California, threatening hundreds of homes and injuring ...

As of July 22, firefighters expanded containment efforts for both of the wildfires that scorched over 70,000 acres in far northern Arizona.

Millions of Americans across the Midwest, Northeast and swathes of the South and Southwest are under air quality alerts Monday. Newsweek's live blog is closed.

The Union Pacific and Norfolk Southern corporations announced Tuesday the companies will merge to create America's first ...

Containment of the White Sage fire in northern Arizona increased slightly to 33%, while a new fire, the Oak Point Fire, ignited between the White Sage and Dragon Bravo fires. Firefighters are ...