The Sun has just hurled a powerful X-class flare toward Earth, and the resulting geomagnetic storm could push shimmering auroras far beyond their usual polar haunts. As the current solar cycle ...

There were significantly more X-class solar flares in 2024 than any other year for at least three decades. The arrival of solar maximum was a key reason for the spike, but other factors were also at ...

The Sun has recently produced two colossal X-class solar flares that disrupted radio signals across large swaths of the globe, just as Americans are still parsing memories of nationwide cell outages ...