Based on the average cost of cash flights, the cost of three days of skiing, and three nights of hotel, these are the ...

This winter is predicted to be a particularly good one for spotting the green-hued celestial clouds in the night skies of the ...

The northern lights are expected to be visible again late Wednesday across much of the northern United States and as far south as Northern California. A geomagnetic storm Tuesday night caused the ...

Scorching temperatures around the world last month tied August 2019 as the second-hottest August on record and capped off the hottest Northern Hemisphere summer (June through August), tied with 2016.

The final “supermoon” of 2025 will take to the skies later this week, though Chicago-area residents will have to brave the ...