How much solar activity does it take to turn an ordinary night sky into a moving curtain of light? The answer begins far ...

Last month, Earth was treated to a massive aurora borealis that reached as far south as Texas. The event was attributed to a solar storm that lasted nearly a full day and will likely contend for the ...

India, Jan. 23 -- A powerful stream of solar energy recently dumped into the Earth, lighting up the skies with brilliant auroras and causing short-lived hiccups for some satellite operations.