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 ...

The sun is ramping up for Solar Cycle 25's solar maximum at a faster rate than previously expected, which could have knock-on effects on future space missions, experts say. At solar maximum, the sun ...

Not only is Earth suddenly spinning faster, but our Sun is getting more active than NASA predicted. The Sun appears to have a cycle of about 11 years during which it waxes and wanes. Its activity is ...