A large sunspot has just reappeared on the sun's Earth-facing surface, almost two months after it first emerged. The ...

Flares and solar eruptions can impact radio communications, electric power grids, and even pose risks to spacecraft and ...

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 ...

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