The northern lights will be more visible than previously expected Sunday night, according to the National Oceanic and ...

Forecasters warn of possible G2 geomagnetic storms as a colossal coronal hole sends solar wind racing our way.

A hidden magnetic island inside a coronal hole unleashed a surprise G3 storm, sparking dazzling displays across the US.

According to the National Oceanic and Atmospheric Administration (NOAA), a geomagnetic storm might make the Northern Lights ...

Initially, the forecasters predicted minor to moderate (G1-G2) storms, but the hidden island turned it into a strong G3 storm ...

Charged particles from the Sun fueled a strong geomagnetic storm from late Sunday into Monday, delivering impressive displays ...

With advance warning, however, steps can be taken to reduce the risks. If an electrical grid is running near capacity, for ...

A geomagnetic storm erupted out of a coronal hole spanning 310,000 miles across the solar surface and has enhanced in ...

Sky-watchers in the United States might witness the Northern Lights. The National Oceanic and Atmospheric Administration ...

At G3 the storm is considered "strong", but it is also strengthened by something known as the "Russell-McPherron Effect".

Tuesday night’s auroral forecast follows periods of geomagnetic storms throughout the day, following the effects of ...

Our sun has unexpectedly begun to ramp up its activity, which could lead to more severe solar storms that cause blackouts and ...