Scientists have captured an exceptionally rare, high-resolution view of an active region that produced two powerful X-class ...

There is a chance of powerful X-class solar flares that are capable of causing radio blackouts over the next three days, according to forecasters. The National Oceanic and Atmospheric Administration ...

A cluster of sunspots that rotated into view at the start of the month has fired off its fifth X-class flare. The series of ...