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 ...

Add Yahoo as a preferred source to see more of our stories on Google. An image taken by NASA’s Solar Dynamics Orbiter spacecraft shows a powerful solar flare produced on May 11, 2024, during a spate ...

The sun covered in hundreds of sunspots in a time-lapse image of June The sun is partying like it's 2002. The number of observed sunspots on our home star last month was the highest for almost 21 ...

For the first time, scientists have used satellite data to create a 3D map of the sun's interior magnetic field, the ...

The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar flares, including a hidden X-class outburst, a new paper reveals. The study sets ...

With several solar flares and coronal mass ejections soaring out into space, the sun has had an active few months as the current solar cycle gathers momentum. This solar cycle, Solar Cycle 25, is ...

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 ...

A new 11-year cycle of heightened solar activity, bringing with it increased risks for power grids, critical military, civilian and airline communications, GPS signals and even cell phones and ATM ...

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 ...

The giant solar explosions of energy and light aren't over yet. Officials said on Tuesday that the sun just emitted another major solar flare – and that it's the strongest one so far in the current ...