NASA's Solar Dynamics Observatory captured the moon transit the sun. Sunspot AR3311 was active with m-class flares. Credit: Space.com | footage courtesy: NASA/SDP/Helio Viewer| edited by Steve Spaleta ...

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

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

A powerful and worrying event is taking place on the surface of the Sun. A highly active region, known as Sunspot AR4087, is ...

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

NASA’s Solar Dynamics Observatory captured an X2.8-class solar flare and a pair of m-flares that preceded it in multiple ...

What was the 1859 Carrington Event? As a massive solar flare, this event disrupted global telegraph systems and caused ...