Sunspot AR3229 erupted with an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

A erupted with M1 and M6 class solar flares. Watch the fireworks in these views from NASA's Solar Dynamics Observatory.

Solar flares are powerful bursts of radiation. A SWPC report added that the storm calmed and reached G4 status again on ...

Beautiful yet dangerous solar flares that erupt from the sun could be as hot as 180 million degrees Fahrenheit, researchers say. That's more than six times hotter than solar physicists previously ...

An X-class solar flare has produced an Earth-directed coronal mass ejection, increasing solar activity and raising the likelihood of geomagnetic impacts within 24 hours.

NASA's Solar Dynamics Observatory caught the huge X-class solar flare erupting from the surface of the sun on March 6, 2012. This image shows four separate images of the M5.3 class flare from the ...

A Coronal Mass Ejection (CME) -- a massive burst of solar material and magnetic field from the sun's outer atmosphere -- that ...

A massive solar storm has created rare Northern Lights in regions where they’re rarely seen, marking the first event of its ...

Researchers have identified a newly recognized type of extremely energetic particles located in the Sun’s upper atmosphere, revealing a phenomenon that had not been detected before. Solar scientists r ...

Add Yahoo as a preferred source to see more of our stories on Google. A powerful solar eruption is expected to hit Earth soon, according to a forecast from the National Oceanic and Atmospheric ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. NASA’s Solar Dynamics Observatory has captured the moon ...

Scientists tracked active solar region NOAA 13664 for 94 days, showing how persistent magnetic complexity drives flares and ...