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The first rumblings of the sun's next 11-year solar cycle have been detected in sound waves inside our home star—even though it is only halfway through its current one. This existing cycle is now at ...

While the the sun might appear like a still disk in the sky, our star is actually a dynamic object that goes through cycles of activity. But what exactly are solar cycles and what are they ...

Measuring the solar cycle by monitoring the rhythm of the sun's magnetic field could help predict solar flare surges that can damage communication systems on Earth. When you purchase through links on ...