Wildfires continue to burn in Canada, and the smoke is filling communities there and towns across the U.S. border.

Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air due to drifting smoke from Canadian wildfires, ...

Wildfires are forecast to expand through the summer in Western Canada and parts of the north.

Public spaces including soccer fields and indoor arenas are being converted into makeshift shelters, expecting many arrivals ...