If you missed the the blood moon early this morning, you'll now have to wait nearly a year before seeing your next.

You may have noticed that more auroras have been visible in recent years, including from lower latitudes. Here's why the northern lights have been amped up lately.

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 ...

For example, the north polar field of Solar Cycle 24, which ended in December 2019, took nearly five years to reverse, according to the National Solar Observatory. The magnetic field flip is so ...

p. 38), they are of sufficient general importance to recall them. The notice in NATURE 15 headed “A 300-year Cycle in Solar Phenomena,” and refers to a discussion in the Astrophysical Journal ...