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.

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

Follow Yahoo News Canada's live coverage as the country's wildfire crisis continues. Get the latest on fast-moving fires in ...

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

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 ...

The thick smoke enveloped the nation’s capital in a gloomy, eerie haze and prompted Major League Baseball’s Cleveland Guardians to postpone their game against the Pittsburgh Pirates in Ohio. Warnings ...

CLEVELAND, Ohio — Canada is not trying to extinguish every wildfire sending smoke into the United States because its fire-management system does not treat every blaze the same. Provincial and ...

A fast-moving wildfire has destroyed about 230 homes in an Indigenous community in western Canada. The chief of the Okanagan ...