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

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

Geomagnetic storms are caused by solar winds or coronal mass ejections (CMEs) from the Sun that collide with Earth's magnetic field. These interactions disturb the magnetic field and can lead to power ...

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

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

A coronal mass ejection hurtling from the sun toward Earth could unleash the northern lights in up to 18 states in the US.

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

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

"All signs were pointing to the sun going into a prolonged phase of low activity," said Jamies Jasinski of NASA's Jet ...

Michigan's Upper Peninsula could see the northern lights Monday night, Sept. 15, forecasters say. Here's what to know.

A Geomagnetic Storm Watch has been issued for late Monday into early Tuesday, which means Northern Lights could be visible across Michigan on Labor Day and in the skies over a large swath of the U.S.

Minnesota residents may have a chance to see the Northern Lights overnight, as the NOAA is forecasting a “strong" geomagnetic storm that will peak early Tuesday morning.