The sun sure has woken up this week, unleashing a powerful X-class solar flare on Jan. 18 that hurled a colossal, fast-moving ...

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 ...