Republican lawmakers are blaming Canada for not preventing and containing wildfires, whose smoke has fouled the air in ...

Thousands of people in Eastern Canada are under evacuation orders and thousands more have been warned to be on high alert as ...

Small particles can get lodged in crevices of organs from lungs to arteries, causing inflammation and other health issues.

Smoke drifting south from Canadian wildfires has made skies in Pennsylvania and other states hazy this week. The Pennsylvania ...

Even in the early stages of Canada’s wildfire season, it was already clear that this year would be the second worst wildfire ...

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

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