Two rare X-class solar flares from sunspot AR4274 on November 4 sent twin coronal mass ejections toward Earth, prompting NOAA ...

A powerful M8.1 solar flare sent a full-halo coronal mass ejection toward Earth, and scientists expect it to trigger strong G3 geomagnetic storm levels on Tuesday. Forecasts show the Kp index rising ...

A geomagnetic storm watch has been issued after a powerful solar flare over the weekend. The solar flare peaked at 9:49 p.m. EST on Sunday, November 30, said NASA’s Solar Dynamics Observatory, which ...

(NEXSTAR) — It’s been a busy few weeks on the sun, and yet another eruption of material has been blasted out into space. If conditions are right, it could spark strong G3 geomagnetic storm levels on ...

The Sun has just unleashed an M5-class solar flare, a powerful burst of radiation that signals a clear uptick in solar activity as the current cycle heads toward its peak. While this event is not the ...

Have you ever seen a coronal mass ejection? It’s the eruption of plasma during a solar flare, and new video captured one powerful eruption in stunning detail. A solar flare is usually the genesis of a ...

The magic of Christmas could soon manifest in the sky, with northern lights display possible in several U.S. states amid the ...

A powerful solar eruption is expected to hit Earth soon, according to a forecast from the National Oceanic and Atmospheric Administration's Space Weather Prediction Center. A coronal mass ejection -- ...

A geomagnetic storm watch has been issued after a powerful solar flare over the weekend. The solar flare peaked at 9:49 p.m. EST on Sunday, November 30, said NASA's Solar Dynamics Observatory, which ...