More than 20,000 people have been ordered to leave their homes in western Canada overnight as a fast-moving wildfire grew ...

A fast-moving wildfire has swept through western Canada, forcing thousands of people to evacuate their homes.

A new study calculates that human-caused climate change doubled the likelihood of the tinderbox weather conditions that ...

MONTREAL, Canada — Faced with another summer when wildfires have scorched millions of hectares of land and blankets of smoke ...

Canada's wildfire season took another troubling turn over the weekend, as hot, dry conditions helped spark new fires across the country and pushed the number of active wildfires close to 1,000.

One climatologist said "a perfect storm" of climate extremes primed the western U.S. for one of its worst fire seasons in a decade. Meanwhile, Canadian wildfire smoke fills the air.

More episodes of wildfire smoke are in the offing for parts of Canada and the midwestern and northeastern United States.

The inferno that sent toxic smoke billowing toward the United States won't be the last. Officials are now battling both the ...

Thousands of residents in the British Columbia communities of Summerland and Peachland have been chased out of their homes by ...

Canadian wildfire smoke is causing hazy skies and poor air quality in New York. Here is what you need to know.

In Canada’s boreal forest, which stretches for around 300 million hectares (740 million acres) across much of the country, wildfires can burn for weeks on end, tearing through highly flammable pine ...

President Donald Trump is threatening to charge tariffs to Canada over record levels of hazardous air drifting into the U.S. from hundreds of wildfires burning in the north.