The National Oceanic and Atmospheric Administration is predicting a G4-level geomagnetic storm after a long-duration solar flare erupted a couple of days ago.

One of the largest solar storms in more than 20 years could produce auroras Monday night as far south as North Carolina and beyond. An explosion of energy from the sun, called a coronal mass ejection,

The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar flares, including a hidden X-class outburst, a new paper reveals. The study sets a record for the longest continuous observation of a single active region on our home star.

The Sun has unleashed a severe solar radiation storm - the most powerful such event in more than two decades. The National Weather Service's Space Weather Prediction Centre is monitoring the storm, which ranks at level four on a five-point severity scale,

Discover when and where to see tonight’s Aurora Australis as a powerful solar storm increases the chance of Southern Lights across Australia.