The map is based on a hypothetical strike that targets nuclear silo sites in Montana, North Dakota, and Nebraska.

Canada blocks the importation of a dizzying array of goods, even if they're just going from one part of Minnesota to this odd appendage of the state. That includes mattresses, potted plants, livestock ...

The Chicago area is under an air quality alert until due to the Canadian wildfire smoke. Environmental officials said the pollutants from the smoke will be sticking around the area through at least ...

Smoke from Canadian wildfires carried another day of poor air quality south of the border to the Midwest, where conditions in ...

Smoke from Canadian wildfires started making air quality worse in the eastern U.S. on Wednesday as several Midwestern states ...

Canada is having another bad wildfire season, and more than 27,000 people in three provinces have been forced to evacuate.

More than 25,000 residents in three provinces have been evacuated as wildfires remained active and diminished air quality in ...

Online resources help you make sense of the hazy skies and poor air quality you might be experiencing as a result of fires to ...

The forecast for Sunday night gives Alaska and Canada the highest likelihood of seeing the northern lights. Those living above or near the red line seen in the map below could also get a glimpse.