Where Will The Northern Lights Be Visible? A view line marking a minimal opportunity of viewing the aurora borealis is ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

Seeing a total solar eclipse can be even more impressive than witnessing the aurora borealis, but it will be quite a while ...

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

Mapped: Canada’s wildfires are impacting air quality in these US communities - Dangerous wildfire smoke has tinged skies over ...