A severe geomagnetic storm watch was issued by NOAA on Tuesday in response to recent coronal mass ejections from the sun.

Geomagnetic storms occur when charged particles from the sun collide with Earth’s atmosphere, creating auroras.

As the northern lights lit up skies across the U.S., here's how agencies braced for potential disruptions to power grids and ...

Triggered by an intense geomagnetic storm, the northern nights made a rare visit to the Southland on Tuesday night, painting ...

A severe geomagnetic storm is likely this evening or overnight. Not all of the United States will have clear enough skies to ...

A severe (G4) geomagnetic storm impacted the planet at 8 p.m. tonight, unfortunately for Michigan, other than those south of ...

The geomagnetic storm watch has been upgraded after a large solar flare erupted Tuesday, Nov. 11, meaning the aurora borealis ...

According to the National Oceanic and Atmospheric Administration Space Weather Prediction Center, many people across the ...

Aurora Borealis was visible in Central Texas due to a geomagnetic storm, with further sightings possible in southern states.

Space weather experts are monitoring for the potential of a so-called "cannibal geomagnetic storm" Wednesday, which could ...

Last night's geomagnetic storm peaked allowing the Aurora to be seen as far south as the Alabama Gulf Coast. Lower latitudes ...

Geomagnetic storm activity is expected to continue this week, but will Nashville catch a second glimpse of the northern ...