A moderate solar flare burst from the sun on Friday morning, marking the strongest eruption in days from an increasingly ...

The sun has erupted with a moderate M5.7 solar flare and a coronal mass ejection that could trigger a northern lights display.

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 ...

A record-breaking study into a giant sunspot that triggered Earth's biggest geomagnetic storm in more than two decades has revealed surprising new details about the explosive dark patch. The monster ...

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 ...

Cryptocurrency investors face an unusual danger lurking 93 million miles away. Solar flares, massive bursts of energy from the sun’s surface, can interfere with the digital infrastructure that keeps ...