Two new sunspots have ended a long period of relative quiet on the surface of our blazing host star, heralding the start of a new 11-year cycle of sunspot activity — resulting in sometimes dramatic ...

BOULDER–Challenging conventional wisdom, new research finds that the number of sunspots provides an incomplete measure of changes in the Sun’s impact on Earth over the course of the 11-year solar ...

Today a consortium of solar science experts declared consensus on the next solar cycle. The cycle, which indicates the intensity and timing of the Sun’s activity, fluctuates every 11 years or so. The ...

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 ...

Challenging conventional wisdom, new research finds that the number of sunspots provides an incomplete measure of changes in the Sun’s impact on Earth over the course of the 11-year solar cycle. The ...

Sunspot Cycle 24, which is just ending, was quite weak as well, but it was also quite short -- just shy of 10 years long - and that's the basis for the new study's bullish prediction that Sunspot ...

BOULDER--Challenging conventional wisdom, new research finds that the number of sunspots provides an incomplete measure of changes in the Sun's impact on Earth over the course of the 11-year solar ...