Add Yahoo as a preferred source to see more of our stories on Google. Officially, solar maximum is defined as the peak month of a given solar cycle, based on monthly sunspot numbers. More specifically ...

In direct contradiction to the official forecast, a team of scientists led by the National Center for Atmospheric Research (NCAR) is predicting that the Sunspot Cycle that started this fall could be ...

Add Yahoo as a preferred source to see more of our stories on Google. An image of the sun showing a large bright white spot on its bottom-right. A massive sunspot on the sun's surface just left us ...

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 ...

A vast, magnetically tangled sunspot has rotated into direct view of Earth, raising the prospect of powerful solar eruptions in the coming days. The active region is large enough to dwarf our planet ...

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 ...

An X7.1 (R3) solar flare erupted from Region 3842 this evening - as seen in this animation (courtesy of jhelioviewer). This was the second strongest flare of Solar ...

Our sun has been shining for some 4 billion years and will do so for another 4 billion years. Many of you are aware that our star, the sun, goes through a period of both 11-year and 22-year cycles.

People in the U.S. were treated to stunning auroras last week when a powerful geomagnetic storm pushed the celestial displays as far south as Florida and Mexico. The spectacle was particularly ...