Rising concentrations of carbon dioxide in the upper atmosphere will change the way geomagnetic storms impact Earth, with ...

Satellites, including those used for GPS and communications, will face greater risks in coming decades during solar-triggered ...

Cooling in the upper atmosphere from rising CO₂ could make future geomagnetic storms deliver sharper jolts especially to ...

Space weather experts warn that a moderate-strength geomagnetic storm could hit Earth Friday or Saturday (Aug. 8 or 9) — ...

A geomagnetic storm will expand visibility of the aurora borealis Thursday and Friday nights. See maps of which states will ...

The National Weather Service’s Space Weather Prediction Center on Friday issued a “ severe geomagnetic storm watch” for the weekend, the first of its kind in nearly 20 years.

Some “minor” geomagnetic storm levels are expected to pull the northern lights to more states, forecasters said.

A frontal boundary slowly pushing through the northern tier of the country will be the focus of severe thunderstorms over the ...

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

Similar to tornados, hurricanes and earthquakes, geomagnetic storms are measured by a five-point scale. G1 geomagnetic storms are the least severe, while G5 storms are the most severe.

A geomagnetic storm could spark some impressive auroras in the night sky over parts of the U.S. overnight Thursday into ...

The geomagnetic storm triggered bright, colorful auroras last night in different parts of the world, with a chance for more of the celestial lights to take over the skies later tonight.