With the sun close to an unusually fierce solar maximum, the northern lights are becoming more common across the U.S. Here's ...

Such an ejection directed at the Earth can cause geomagnetic storms that can interfere with power grids and satellites and ...

Solar activity from Wednesday may mean some beautiful star gazing this weekend as NOAA predicts a geomagnetic storm that will ...

Two strong solar flares in the space of 48 hours will bring stunning auroras to northern states and the Midwest over the next few days.

Scientists say that the sun just unleashed its second-largest flare of the latest solar cycle on Tuesday. That powerful solar ...

While cloudy skies may have blocked views of the Northern Lights for many in the Chicago area Thursday, residents will have ...