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Solar activity is likely to be on the decline all the way to 2030, which will mark the end of Solar Cycle 25.

The intensity of the Sun’s activity ebbs and flows across years, but also across decades—a behavior that scientists haven’t quite figured out yet. At the turn of the 21 st century, astrophysicists ...

A powerful flare unleashed a severe solar storm that caused auroras and GPS disruptions on Earth.