Following in the footsteps of Aristotle and Galileo, NASA scientists look to take the next step in understanding auroras.

These forecasts are courtesy of the University of Alaska Fairbanks’ Geophysical Institute and available online, along with more data, at The listings below will be updated and published weekly until ...

I’ve been convinced that we are about to experience a very serious and dangerous weather episode,” Houston Mayor John ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

At 2:30 a.m. on Thursday, Oct. 11, whitish pillars of light rose into the sky over the barn at Donnelly’s Corners in ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

The advisory is in effect until 11 a.m. A dense fog advisory is issued by your local National Weather Service office when ...

A powerful solar eruption created striking auroras in the night sky around the planet on Oct. 10 and 11. See photos.

Now that the sun has reached its solar maximum, aurora chasers should expect the northern lights to appear more frequently in the night sky.

A La Niña winter just started, but it isn’t expected to last long. National forecasters are already looking ahead to the spring season.

The aurora is expected to be bright and visible in multiple northern U.S. states Oct. 3 through Oct. 5 as well as from the ...