Canada's second-worst wildfire season on record has already burned 7.8 million hectares and could continue for weeks, federal ...

Forecasters are calling for above-average seasonal temperatures and are warning people to "remain on alert" for the rest of ...

In letters expressing outrage and indignation, Republican lawmakers are demanding more forest thinning, prescribed burns and ...

Like much of the U.S., Chicago was under a thick hazy blanket of wildfire smoke, creating dangerous conditions for anyone who ...

Canada is in the grip of its second-worst wildfire season on record, with flames now stretching beyond the West into prairie and Atlantic provinces including Saskatchewan, Manitoba and Newfoundland ...

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...

Canadians have pushed back against the criticisms. This week, Manitoba Premier Wab Kinew accused the Midwest lawmakers of ...

Smoke produced by hundreds of wildfires burning across Canada has drifted thousands of miles and nearly circled the entire ...

Amid thousands of evacuations and the spread of smoke to the United States, the Canadian armed forces and the Coast Guard ...

Air quality alerts are in effect in the Philadelphia area, fueled by smoke from wildfires that are burning thousands of miles ...

Both Canada and Australia have experienced megafires in the past few years, the size and severity of which have been ...

Wildfires have always affected air quality in New England. But scientists say climate change is changing how they burn and ...