Wildfire smoke from Canada has made for bad air quality over parts of the Upper Midwest. Most of Minnesota had “unhealthy” ...

Wildfires raging near the Grand Canyon's North Rim have prompted evacuations, air quality concerns and the closure of the North Rim of the national park.

The Grand Canyon's North Rim in Arizona also closed Thursday because of a wildfire on adjacent Bureau of Land Management land ...

The amount of land burned this year is on pace to be the most since 1994, as 100 blazes roared on Friday across the central ...

The north rim of Grand Canyon National Park has now been closed and evacuations have been ordered as a wildfire is spreading.

"The main reason was the South Fork Fire last year that burned directly west of Ruidoso," Grzywacz said. "The soil wasn't ...

A haze visible in parts of the Sacramento Valley on Thursday is from multiple wildfires burning in Northern California. A ...

The Wolf Fire was just one of a spate of smaller-sized fires in the Inland Empire over the past two weeks, often near ...

Learn about the science of wildfires -- risk factors, smoke emissions, effective controls, role in forest ecology and long-term problems.

At least three people were killed by historic flash floods in a New Mexico mountain community that suffered devastating ...

Manitoba Premier Wab Kinew was critical of a letter sent by six US lawmakers concerned over wildfire smoke drifting south.