Add Yahoo as a preferred source to see more of our stories on Google. Officially, solar maximum is defined as the peak month of a given solar cycle, based on monthly sunspot numbers. More specifically ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The night sky in Wisconsin glows with the Northern Lights as ...

After months of intense solar flares, NASA confirms that the Sun has reached the most active period of its cycle. Reading time 3 minutes The Sun has been acting up, and we can finally confirm why.

If you're a stargazer, prepare yourself for an uptick in northern lights activity amid the peak of the current solar cycle. For the next year or more, the likelihood of seeing the northern lights, ...

Internal changes due to the Sun’s ‘active biorhythm’ have become increasingly ‘skin-deep’ over the past four solar activity cycles, according to a new study. Publishing its findings today (28 May) in ...

The sun is powered by the nuclear fusion of hydrogen to helium, deep within its core. Above the sun's surface, however, a different force dominates: electromagnetism. This force is responsible for ...