A rare and fast CME triggered a severe G4 geomagnetic storm, producing brilliant auroras seen across Europe and the U.S. under ideal dark sky conditions.

A geomagnetic storm made the northern lights — the aurora borealis — visible as far south as Alabama and New Mexico Jan. 19.

The Northern Lights returned to Northern California late Monday and early Tuesday, and our viewers captured photos of the light show.

Meteorologist David Yeomans forecasts on CBS News Chicago weekdays at 11 a.m. and 4 p.m., and reports on the Climate Watch team. The northern lights were visible Tuesday night across the Chicago area, illuminating the sky with brightly colorful displays ...

A strong northern lights display could be blocked by clouds and snow in Michigan Tuesday night, Jan. 20. Where you might see it.

With clear skies in place, the northern lights were expected to be visible, especially in the northwest suburbs. The best viewing was between 10 p.m. Sunday and 2 a.m. Monday in the Hudson Valley, Catskills and northwest New Jersey. Unfortunately, the ...