This week our star kicks activity into high gear with some fast-growing active regions in Earth view. One of these taking center stage is Region 3883, which has fired multiple big flares and launched a very dense solar storm that looks to have an Earth-directed component. If this storm grazes...

Our Sun launched multiple Earth-directed solar storms towards Earth this week, with the first one hitting us just now (it is fashionably late). The second will likely hit late on September 12 and be followed by some fast solar wind. This means aurora photographers could be in for an extended show...