... Aurora Over Edmonton . ... Northern and southern locales saw many a beautiful aurora over the last week, as particles from several large solar flares impacted the Earth. Many reported unusually red auroras, although colors across the spectrum were also seen. ... Our Sun itself frequently has sunspots, relatively cool dark magnetic depressions that move across its surface. ... A Dark and Stormy Night . ... Yesterday, our Sun produced one of the most powerful solar flares in recorded history. ...