Smoke from Canadian wildfires is beginning to worsen air quality in the eastern U.S. as several Midwestern states battle ...

The Minnesota Pollution Control Agency issued an air quality alert for much of state through Wednesday as smoke from ...

Smoke from Canadian wildfires has carried another day of poor air quality south of the border to the American Midwest.

People in parts of the U.S. may be able to see Northern lights Monday night — or at least use a smartphone cameras to reveal ...