Sunspot AR3165 has erupted with several m-class solar flares in a span of a few hours. NASA Solar Dynamics Observatory ...

Sunspots AR3664 and AR3663 have been erupting with X- and M-class solar flares. Both sunspots are Earth-facing and could ...

A powerful M5.7 solar flare erupted from the sun on May 10, unleashing an impressive coronal mass ejection (CME) that could ...

A solar eruption has blown a massive hole in the sun's atmosphere, causing temporary radio blackouts and possibly triggering a northern lights display tomorrow. Scientists recorded an M5.7-class solar ...

The sun is an incomprehensibly gigantic, constantly roiling nuclear furnace—but some days are even busier than others. Based on data collected by NASA’s Solar Dynamics Observatory, our solar system’s ...

The northern lights could become more active in the coming days as scientists monitor one of the largest sunspot regions in ...

A strong solar flare peaked just after 9 a.m. Tuesday, but what does that mean? Can it be seen from Earth?Tuesday's solar flare was not the first this year or even this month. Here is more information ...