The sun fired off an X1.2-class solar flare on Friday (Jan. 3), triggering radio blackouts throughout parts of the South ...

As Earth completes yet another full orbit around the Sun, an encroaching storm is expected to bathe the planet in a glorious ...

A display of auroras is expected to light up the skies on Christmas Day, thanks to a powerful M8.9 solar flare enroute to ...

Last year gave skywatchers multiple stunning sky shows, including the total solar eclipse, the return of the “devil comet,” ...

Skywatchers are anticipating a possible aurora borealis for parts of the US on Dec. 25 following a solar flare that spewed a ...

The new year arrived not only with fireworks, but with displays of aurora across the world at much more southerly latitudes ...

Some of the flares also hurtled two coronal mass ejections ... scientists have warned that we could be at higher risk for more powerful solar storms — up to G5. These bursts of electromagnetic ...

Solar flares are categorized by their peak brightness in x-ray wavelengths, with X-class flares being the fiercest flashes. Our star’s December 29 activity included three such flares ...

The frequency of occurrence of solar flare activity varies with the 11-year solar cycle, and as we are at a particularly ...

Here's how to watch the northern lights predicted to color the night sky on New Year's Eve this year. See the lights on Dec.