The solar cycle continues to ramp up with currently the largest number of sunspots in the last two decades and maybe even longer. NOAA’s Space Weather Prediction Center(SWPC) reports the estimated ...

Researchers using the Birmingham Solar-Oscillations Network, known as BiSON, have detected subtle structural differences ...

Earlier this week, the number of visible sunspots on our home star fell to zero for the first time in 1,335 days. This ...

The sun's visible disk has been perfectly free from sunspots for the first time since June 2022, suggesting the current solar ...

WASHINGTON – When the sun sneezes it's Earth that gets sick. It's time for the sun to move into a busier period for sunspots, and while forecasters expect a relatively mild outbreak by historical ...

The sun’s magnetic polarity appears to reverse at a super-fast speed — every 11 years. The cycle produces sunspots, solar flares and huge coronal mass ejections. (NASA/SDO) The maximum of the Perseid ...

The unexpected surge of solar activity during the ongoing solar maximum may be tied to a lesser-known, 100-year-long cycle that is just beginning to ramp up again, a new study suggests. If that's true ...

The Sun experienced its first spotless days in four years, from February 22-24, 2026, indicating a shift towards a calmer ...

All you need to do is make sure solar filters and eclipse glasses are free of marks, scratches, and holes. If they're still safe to use, you can wear them to watch the sunspot groups grow, decay, and ...

Astronomers track the sun's 11-year cycle by counting sunspots. Also, we're expecting a strong geomagnetic storm and aurora to arrive on Saturday night. Multiple sunspot groups — 13 in all — speckle ...