In Europe, the sky glowed on Saturday in Switzerland ... How the dazzling lights of the aurora australis and borealis were captured in each hemisphere. Striking hues of green, pink, red and ...

Her team's paper concludes it's "most certainly a heat source" and says it suggests that the aurora borealis are more complex than previously thought. Spanswick says the discovery was made ...

The sun is at the peak of its 11-year cycle. That means an uptick in solar flares will lead to more chances to see the northern lights over the next couple of years.