NASA astronaut Don Pettit shared jaw-dropping footage of an undulating green aurora as seen during a flyover from the International Space Station.
Recently, however, astronomers have been keeping track of starspot activity on a red ... sun — which is why XX Tri has been dubbed "the most spotted star in the sky," Kővári said. Breaking ...
Auroras could light up the skies on Christmas, thanks to a powerful solar flare heading toward Earth
The Earth-bound M8.9 solar flare, which the sun spewed yesterday (Dec. 23 ... Three more M-class flares blasted into space today (Dec. 24) by the same sunspot region led to similarly minor ...
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