Cycle's low point 'going on and on and on'
(NEWSER) - The Northern lights are rarer now than they have been for at least a century, but some spectacular light shows are probably on the way, researchers say. The phenomenon, triggered by solar winds, usually follows an 11-year cycle, rising quickly to a maximum before tapering off to a minimum. But researchers say the minimum has been "going on and on and on" since 2008, the Telegraph reports. More»