The hazy air hovering over US metropolises, including Chicago and New York, this summer is reminding Americans of just how ...

As of Monday morning, August 11, models were predicting smoke in Montana and the Dakotas to move east into Wisconsin.

A heat wave gripped parts of Europe on Monday, sending temperatures up to 43 degrees Celsius (109.4 Fahrenheit) in southern ...

The department said those in affected areas should listen to firefighters when told to evacuate, and that cost should not be ...

More than half a dozen wildfires continued to burn across Colorado Monday morning, but firefighters have been able to get ...

Italian firefighters and the army on Sunday tackled a wildfire on the flanks of Mount Vesuvius​, with all hiking routes up ...

A Colorado prison was evacuated as one of the largest wildfires in state history continued to grow, and officials warned ...

One of the largest wildfires ever recorded in Colorado persisted Sunday and a new wildfire sparked in the southwestern corner ...

Forecasting wildfire smoke is hard. We review the best tools to help you predict when unhealthful levels of smoke are coming.

A Colorado prison was evacuated due to a fast-growing wildfire that’s already one of the largest in state history, officials ...

Wildfire smoke doesn’t just cloud the horizon, it can chemically change the air at ground level and in layers of the ...

Several fires are burning across western Colorado, with some at historic sizes and other causing evacuations of Western Slope ...