A burst of solar wind reached Earth this week and pushed the northern lights far enough south to become visible across nine northern U.S. states. The National Oceanic and Atmospheric Administration’s ...

A massive solar flare unleashed November 11 was one of the strongest on record, experts say—and the Earth-based fallout from weather on our closest star isn’t done yet. The flare—a powerful burst of ...

Add Yahoo as a preferred source to see more of our stories on Google. The reddish hue of the northern lights can be seen over the town of Valtournenche, located in Italy's Aosta Valley, on Wednesday, ...

Scientists have captured an exceptionally rare, high-resolution view of an active region that produced two powerful X-class solar flares—an achievement rarely possible from Earth. Using the GREGOR ...

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 ...

"More than a century of historic Ca II K observations from the Kodaikanal Solar Observatory offer a unique window into the polar magnetic field of the sun, a key factor governing solar cycles and ...

Radiocarbon (14C) measurements are a powerful tool for reconstructing past solar activity and identifying extreme events caused by bursts of high-energy particles from the Sun. Such reconstructions ...

(CNN) — For two nights, dazzling auroras delighted sky-gazers in unexpected places, including in the US as far south as Florida. The cause: dual solar storms unleashed by the sun reaching Earth. A ...