Wildfire smoke from Canada is expected to move over the U.S., and maps and satellite imagery show the large-scale impact of the blazes.

The Northern Lights cannot be seen during daylight hours. Instead, nature’s light show is best seen between the hours of 10 p ...

Several dozen wildfires burning in Canada have led local authorities to declare states of emergencies and forced thousands of ...

Air quality in some parts of the United States is being compromised as smoke from dozens of wildfires in Canada travels south ...

States across the border issued air advisories about particulate pollution that are expected to last for several days.

Wildfire smoke from Manitoba, Canada, will blow across two dozen states through Saturday, reducing air quality and creating ...

Wildfires in Canadian provinces of Manitoba and Saskatchewan are creating smoke visible in Michigan. Hazy air is expected in ...

Geomagnetic storm conditions are likely through the weekend, with several states in the northern U.S. likely to have a chance ...

Wildfires in Canadian provinces of Manitoba and Saskatchewan are creating smoke visible in Michigan. Here's what to know.