On Jan. 19, a powerful geomagnetic storm pushed auroral activity far beyond its usual range, allowing this exceptional ...

This geomagnetic storm interfered with telegraph communications around the globe. Sparks reportedly leapt from telegraph ...

NASA shared a stunning time-lapse video of something out of this world. A display of ribbons of green light known as auroras ...

The storm could also impact power systems and spacecraft operations.

A minor geomagnetic storm may increase northern lights visibility tonight as fast solar wind interacts with Earth’s magnetic field, according to Space.com forecasts.

We could be in for a Northern Light show of epic proportions. A barrage of intense flares erupted from the Sun earlier this ...

Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, ...

A powerful geomagnetic storm triggered by a fast coronal mass ejection from the Sun produced rare red aurora over Hanle, ...

Typically, intense geomagnetic storms stem from massive CMEs, expulsions of plasma and magnetic fields from the Sun's corona.

Magnar Gullikstad Johnsen monitors space and issues space weather alerts while awaiting a national warning service. Photo: ...

The northern lights were on full display Monday evening.

The northern lights may be seen in Massachusetts tonight as an X-class solar flare could cause a severe geomagnetic storm.