Four of the five wildfires burning in Colorado have together consumed more than 19,300 acres, according to fire ...

The fire on the North Rim of the Grand Canyon started from a lightning strike but was managed as a controlled burn until it ...

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.

The Dragon Bravo Fire has destroyed dozens of structures and a water treatment facility, and the White Sage Fire, located in ...

The Dragon Bravo Fire burning inside Grand Canyon National Park has destroyed dozens of structures, including a beloved and ...

“Several other wildfires are still active in Colorado, including the Sowbelly Fire in the Dominguez-Escalante National Conservation Area, the South Rim Fire in Black Canyon of the Gunnison National ...

Five wildfires are burning on thousands of acres in western Colorado, including one that crossed into the state from Utah, ...

At least four firefighters have been injured over the last week while battling three wildfires in Northern California forests ...

Two Arizona wildfires wreaking havoc north of the Grand Canyon were still burning with no containment as of Monday morning.

Wildfires have scorched hotspots in several Mediterranean countries this month, with blazes forcing thousands of people into ...

The Chicago area recorded ozone levels of 156 late Monday afternoon. Levels above 100 are considered unhealthy. Residents ...