On December 8, 2025, at 5:01 a.m. UTC, the sun released a strong burst of energy called an X1.1-class solar flare from a spot ...

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 ...

Considered our solar system's largest explosive events, solar flares can sometimes be as strong as a billion hydrogen bombs. Those with enough energy output to rank as an X-class have the potential to ...

The sun is not quite done with 2024. Early Sunday (Dec. 29), the sun fired off a class X1.1 solar flare, one of the most powerful types of solar explosions possible, in what may be its last major ...

Sunspot AR 3883 released its strongest solar flare yet Wednesday morning. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The sun erupted with an ...