The weather systems dump huge quantities of rain on the U.S.—now experts have uncovered their effects on temperatures.

Parts of the U.S. East Coast and Atlantic Canada are preparing for the impact of an atmospheric river, a weather phenomenon ...

When an atmospheric river runs up against North America’s West Coast, the mountains and complex topography force the air to rise, cool, and the moisture to condense and precipitate. That can ...

The northern lights are the result of bursts of magnetic energy reacting with Earth’s atmosphere, which often comes from events on the sun’s surface, like sun spots or coronal mass ejections.