Welcome to your primer on Solar Cycle 25. For as long as scientists have ... essentially when the sunspot number reaches its local low. The number of sunspots increases over the first half of ...

You could get more opportunities to see supercharged auroras over the next few months, thanks to our very active sun. Solar ...

The Sun follows an 11-year cycle of activity, from a quiet solar minimum with few sunspots to an intense solar maximum with a peak in sunspot numbers. Solar Cycle 25 began in 2020, and early ...