Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air.

S moke from Canadian wildfires has sent a blanket of smoke over the midwestern United States this weekend. The National ...

Wildfire smoke from the Prairies prompted special air quality statements and warnings across the country Saturday.

Wildfire smoke from the Prairies has prompted special air-quality statements and warnings across the country Saturday.

Federal officials have opened an investigation into Jack Smith, the former special counsel who investigated then-candidate ...

Most of the Chicago area remains under an Air Quality Alert on Saturday due to smoke from Canadian wildfires. The alert was, at one point, set to expire late Friday night for most of the area, but it ...

Environment Canada has issued more than a dozen severe thunderstorm watches across British Columbia as the province continues ...