Another geomagnetic storm means another chance for some lucky Americans to witness the northern lights this week after the second largest solar flare of the current cycle was observed Tuesday. The ...

Our sun has officially hit its solar maximum, with increased rates of auroras and solar flares expected in the coming months, NASA has announced. The sun goes through 11-year cycles of activity, ...

Solar Flares Create Dazzling Northern Lights But Impact Launch Forecasts As Temps Rise in Central Florida ...

Auroras may be visible from Alaska to Indiana as two incoming coronal mass ejections could spark geomagnetic storm conditions ...

The northern lights may be visible along a stretch of northern states Tuesday night, and a recent solar flare could heavily disrupt radio frequencies this week, according to a National Oceanic and ...

Eleven US states are being warned to prepare for a total blackout caused by a severe geomagnetic storm that also caused some ...

A powerful solar flare spat out from the sun sparked radio blackouts across South America and the mid-Atlantic Ocean on Saturday. The sunspot responsible for the "very strong" X4.5-class flare—named ...

The star at the center of the solar system does more than provide light and warmth. It also acts as the most powerful particle accelerator in the neighborhood, whipping electrons to near-light speed ...

The northern lights could be visible from a much larger portion of the northern United States than usual on Tuesday night and Wednesday morning, according to the National Oceanic and Atmospheric ...