A geomagnetic storm is a major disturbance of Earth's magnetosphere that's caused by the highly efficient transfer of energy ...

High‑velocity charged particles unleashed by the Sun have sparked a full‑scale geomagnetic alert, prompting global advisories ...

NASA/SDO & AIA/EVE/HMI science team / SOHO (ESA & NASA) / GSFC / SWPC | edited by Steve Spaleta ...

Some geomagnetic storm conditions are expected after a coronal mass ejection that left the sun last week, forecasters said.

The Northern Lights (aurora borealis) may be visible in the U.S. this weekend amid forecasts for a geomagnetic storm by space ...

Earth was struck by a powerful Coronal Mass Ejection (CME), with the speed of upwards of 1000 km/sec late on Saturday ...

Northern lights, also known as the aurora borealis, occur when solar activity, such as solar flares or coronal mass ejections ...

Local weather alerts are familiar warnings for potentially dangerous conditions, but an alert that puts all of Earth on warning is ...

New images that are the highest resolution ever taken of the surface of the sun and its corona are revealing details that ...

The geomagnetic storm was triggered by the impact of a coronal mass ejection (CME) from the Sun. A powerful geomagnetic storm ...

The impact, which has been termed a halo Coronal Mass Ejection (CME), has been significant even as the storm subsides.