Aspen Acres, Gold Mountain, Ferris and other blazes are threatening communities across Colorado as firefighters juggle air attacks and prep...

When the air is smoky from burning wildfires, health experts say to stay indoors

Ontario premier Doug Ford on Saturday blasted the criticism leveled at the Canadian government by the Trump administration and congressional...

Water-bombing operations are ongoing as part of the effort to bring the fire under control

Officials have issued an air-quality health alert after smoke blanketed New York and New Jersey...

Millions of people in the Great Lakes, Northeast and Mid-Atlantic states muddled through another day of unhealthy air from uncontrolled wild...

President Donald Trump and other Republicans are threatening retaliation against Canada for the wildfires ravaging Ontario, smoke from which...

Days ahead of the World Cup final, smoke from Canadian wildfires has spread to the New York-New Jersey area.

Response teams for the Willow, Aspen Acres and Ferris fires say they’re not running into issues finding water to fight fires. Here’s how the...

Yes. Humans cause roughly 84% of wildfires in the U.S., University of Colorado researchers found in an extensive review of wildfire data. 

One climatologist said "a perfect storm" of climate extremes primed the western U.S. for one of its worst fire seasons in a decade. Meanwhil...

Written by DORANY PINEDA and JACQUELINE GANUNThousands of visitors were told to evacuate a remote Minnesota wilderness area accessible onl...

The smoke is pouring south from more than 800 wildfires in the Canadian province of Ontario and nationwide

Hazy, smoky skies from more than 100 wildfires burning in northern and western Ontario have moved into the Chicago area, with poor air quali...

Forecasts suggest the Air Quality Index in New York could climb to levels at which everyone may experience adverse health effects.