Sunspot region 4114 has unleashed its most powerful solar flare yet — an X1.9 class that erupted late June 19, triggering ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

Sky watchers across North America are anxiously anticipating what could be the most intense display of aurora borealis in decades this weekend in the wake of two major solar flares.

We explain this extraordinary phenomenon—and why solar flares and coronal mass ejections go together like spots on Dalmatians.

Solar flares can impact radio communications and pose risks to spacecrafts and astronauts, according to NASA.

People in some parts of the U.S. may be able to see the northern lights this evening.

Scientists caught a massive and extremely powerful X-class solar flare being spat out from the sun on Friday (March 28), just before the stellar eruption triggered a radio blackout across two ...

Our Sun constantly froths with sunspots and solar flares, many larger than our planet, and yet these are dwarfed by Coronal Mass Ejections, such as the Carrington Event of 1859, which would have ...

The Sun has started spooky season with a bang, letting loose on October 1 with a colossal flare and coronal mass ejection headed right for Earth. The flare clocked in at X7.1 – the second most ...

Earth’s Sun has been heating up as of late, reaching its 11-year solar cycle maximum in October. Because of this, the bright orb in the sky has been emitting some of the strongest solar flares ...

Beginning Tuesday, it hurled a pair of massive solar flares at Earth, triggering temporary radio blackouts and heightening the likelihood that colorful auroras will appear in the night sky.

A massive X2.2 solar flare erupted, with NASA capturing the event and NOAA monitoring potential geomagnetic storm impacts ...