These solar events are expected to cause strong geomagnetic activity as coronal mass ejections reach Earth, potentially ...

The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.

That massive ball of hot gas at the center of our solar system is responsible for keeping our planet nice and balmy, but its also the source of some huge astronomical disruptions. Earlier this week, ...

As a particularily active sunspot region rotates into view, the sun has released its largest solar flare since June.