By tracing solar flare gamma rays, scientists gain new insight into particle behavior that shapes space weather forecasts.

Sunspot AR3256 erupted with an X1.2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

Add Yahoo as a preferred source to see more of our stories on Google. The same active region of the sun that produced stunning auroras that were visible as far south as Mexico earlier this week has ...

A NOAA forecast has Northern Lights visible in northern U.S. states overnight on Monday, Jan. 19 through Tuesday, Jan. 20, as ...

The northern lights could once again be visible in Oregon in the wake of powerful activity from the sun. A strong solar flare ...

Three powerful outbursts of solar plasma are barrelling toward Earth, with dazzling auroras possible across the northern half of the United States over the coming nights. Minor auroral activity is ...

A record-breaking study into a giant sunspot that triggered Earth's biggest geomagnetic storm in more than two decades has revealed surprising new details about the explosive dark patch. The monster ...

A rare solar storm, the strongest in over 20 years, disrupted signals and lit skies with vivid auroras worldwide, raising ...

ESA's Proba-3 mission, made up of twin spacecraft capable of aligning to create artificial eclipses, has captured "rare" ...