A major solar flare erupted from the sun Saturday -- one of the most powerful in years -- sending an energetic blast of X-rays from a hotspot of activity that may still belch more solar storms in the days to come. The X-ray blast occurred Nov. 6 at about 11:36 EDT (1536 GMT) from an active group of sunspots called 1121. It was the third major flare from the solar hotspot and registered a Class M 5.4 on the scale for sun storms, according to the Space Weather Prediction Centre operated by NOAA. Read more