Earth is preparing for a multi-day barrage of solar material, with the most severe space weather impacts now forecast for November 11 and 12, a direct consequence of consecutive X-class solar flares, ...

A giant sunspot may be about to erupt, sending out the most powerful form of solar flares growing for days. Sunspot AR3089, which is facing towards the Earth, has now developed a delta-class magnetic ...

On 4 November, AR 4274 fired an X1.8 flare, followed by an X1.7 flare on 09 November and an X1.2 flare on 10 November. Now, on 11 November it has fired off an X5.1 flare. The active region is growing ...