The Northern Lights (aurora borealis) may be seen in 15 northern U.S. states this week, with a geomagnetic storm forecast for ...

Sunspot AR3089 erupted with a series of m-class flares that culminated with an M7-class flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths. Credit: Space.com | foo ...

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 wiped ...

The sun's corona—the outermost layer of its atmosphere, visible only during a total solar eclipse—has long intrigued ...

The drill conducted by the United States imagined a hypothetical situation in the year 2028, where a massive solar superstorm ...