Instead, it rises and falls throughout an 11-year solar cycle. At the bottom of this solar cycle, called solar minimum, months can pass without a single sunspot. At the peak of the cycle ...

So it was with some fanfare that they recently announced that the sun had transitioned into Solar Cycle 25. But what exactly does that mean? Does the Sun’s changing face make much difference to ...

Their presence is a clue to where the sun is in its 11-year solar cycle, with astronomers counting them every day since 1610. During the solar cycle, the number of sunspots waxes and wanes.

Plus, as Solar Cycle 25 reaches its peak, the chances of seeing the northern lights are higher than usual. Those who missed the solar eclipse that took place last night into early this morning ...

Has solar maximum already come and gone? Perhaps not. Looking back to the first solar cycle graph shown in this article, we see that Solar Cycle 24 had two peaks — one in 2012, and a second in 2014.