Michigan stargazers face slim odds to glimpse the aurora borealis overnight with wildfire smoke and upcoming cloudy weather set to hinder visibility. The northern lights, or aurora, could be visible ...

Smoke from large wildfires in Canada has crossed the Atlantic and reached Europe, scientists announced on Tuesday. More smoke clouds will hit the continent in the coming days, according to the EU ...

Early risers in Texas saw something a little bit unusual earlier this week. A rare display of “meteor smoke clouds” — technically called noctilucent clouds — was rippling overhead before sunrise on ...

The smoke in the air on Tuesday was so thick you could see it and smell it. The Minnesota Pollution Control Agency (MPCA) released an air quality alert, with most of the Twin Cities Metro in the red, ...

Wildfire smoke from Canada and Saharan dust from Africa may intersect over NC. Air quality risks remain for sensitive groups, despite high-altitude dust levels. Residents should limit outdoor activity ...