On Sept. 21-22, a partial solar eclipse will see the moon sweep over the sun's disk, blocking its light over a swathe of the ...

After solar activity spent several decades on the decrease, the number of sunspots, flares and coronal mass ejections is once ...

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

The findings suggest Earth’s geological story was partly written in the stars – specifically, in the spiral arms of our home ...

The Sun seems like a constant, reassuring presence day to day, but it's actually fairly tempestuous and changeable. One ...

“All signs were pointing to the Sun going into a prolonged phase of low activity,” said Jamie Jasinski, study lead author and ...

Antarctica, New Zealand and a sliver of Australia are in prime position as the moon slips between the sun and Earth, ...