Add Yahoo as a preferred source to see more of our stories on Google. This year has given stargazers plenty of opportunities to catch the colorful auroras of the northern lights flicker across the ...

Stunning imagery from outer space shows the power of the Sun, with a massive solar flare and coronal mass ejection erupting from the giant star’s surface, but space experts say there is no need to ...

Long before dark sunspots appear on the sun's surface, a new active region—where powerful solar eruptions can originate—begins showing subtle signs of its formation. Now, researchers say a new ...

For the first time, scientists have used satellite data to create a 3D map of the sun's interior magnetic field, the fundamental driver of solar activity. The research, published in The Astrophysical ...