When you look up at the sky on a sunny day, the sun might seem like a bright spot, unchanging in the sky. But the sun is a ...

Scientists studying 50 years of solar data warn Earth may be entering a heightened risk period for rare “superflares” capable ...

The regular solar cycle is a mere climate murmur, but sudden geomagnetic jolts are a different story. These high-altitude ...

A new AI-based approach that can "hear" inside the sun could give vital signs of the solar disturbances that have significant ...

A Japanese poet wrote in his diary that "red lights" appeared in the sky over Kyoto. An analysis of tree rings suggests a ...

Researchers in Japan traced a hidden medieval solar storm using ancient tree rings and centuries-old sky observations. The ...

Have you been wondering why the northern lights are suddenly all over social media — and in the news? Noticed an unusually high number of jaw-dropping aurora photos lately? Shocked to see photos of ...

Solar Orbiter has spotted a large sunspot group forming on the opposite side of the Sun – if it's still active when it rotates into view, it could trigger solar flares.

To reconstruct the Sun’s polar magnetic behavior over more than 100 years, an SwRI scientist first corrected anomalies in historical data from Kodaikanal Solar Observatory (KoSO) to sync with direct ...

In this handout photo provided by NASA, an MDI image shows giant sunspots 486 and 488. Credit: NASA via Getty Images Beyond their love of radio, amateur radio operators and shortwave radio ...

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