The sun is not only our closest stellar neighbor, it's also the star we understand the most. As we've observed it over the ...

After a calm week, the sun erupted again. A powerful M5.1 solar flare burst from an emerging sunspot region, shaking the ...

An international team of researchers tracked the active solar region using the Solar Orbiter spacecraft, a joint NASA and ...

A G2 storm, rated “moderate” on the five‑tier NOAA scale, can induce voltage irregu­larities in power systems and affect high ...

A new solar storm is approaching. In 2025 there were several, but they did not have serious consequences. Now, the US ...

Earth is facing a double coronal mass ejection impact today, January 3, 2026, potentially triggering G2-class geomagnetic ...

OVRO-LWA radio data contrasts a quiet day (Sept. 29, 2025) with the hours after the X1.7-class flare recorded at 2:35 ET on Nov. 9. The type III radio bursts, shown in the radio dynamic spectrum ...

Space weather forecasters issued an alert on Tuesday for incoming severe solar storms that could produce colorful northern lights and temporarily disrupt communications. In the past few days, the sun ...

This was the view as a multi-colored curtain of aurora formed to the south in my sky during the great display of Northern Lights on May 10, 2024. The Kp Index peaked at 8 this night bringing the ...

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 ...

WASHINGTON — The northern lights may light up the night sky early this week in the northern half of the continental U.S. Forecasters have issued a strong (G3) geomagnetic storm watch for Tuesday, Dec.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A spot on the sun 10 times larger than Earth has been seen ...