One way solar scientists measure the intensity of geomagnetic storms is with the Disturbance storm time index, labeled D st.

According to an expert aurora chaser, the years 2024 and 2025 have the potential for several more global displays of the Northern Lights.

Americans from Arizona to Delaware got a look at the northern lights on Oct. 10 as a result of a geomagnetic storm impacting ...

Geomagnetic storming of this magnitude is common on NOAA’s 5-level scale. However, several sunspot regions on the Sun are ...

This, Blazek says, is a geomagnetic storm. Blazek, who specializes in astrophysics ... damage or knock out satellites or produce a strong current within wires that cause them to blow out or ...

The coronal mass ejections that led to the current geomagnetic storm are expected to continue impacting Earth tomorrow, according to officials.

NOAA releases the weekend aurora borealis forecast for the US. Things are looking pretty good for the upper Midwest.

The event could cause glowing in the atmosphere and damage electrical infrastructure when it arrives, but we won't know the severity of the event until it's near.

Maruca said the sun is headed towards a solar maximum in the current cycle, meaning there could be more geomagnetic storms in the coming months. This is the second time this year the northern ...