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 ...

The sun erupted in a massive solar flare, the largest of the year, sending a wave of solar activity that could affect Earth starting on Tuesday. A powerful X5.1-class flare, capable of disrupting ...

Researchers from HSE University and the Space Research Institute of the Russian Academy of Sciences analyzed seven years of data from the ERG (Arase) satellite and, for the first time, provided a ...

Other flares: C1.4 at 12:37 UTC from AR4257; a C1.1 at 8:38 UTC from AR4271; B6.4 at 11:29 UTC from AR4257; B6.5 at 23:44 UTC and B6.8 (time near 23:44–00:00 UTC) from the same incoming northeastern ...

Nov. 11 (UPI) --Scientists said the sun erupted Tuesday morning, unleashing a strong X5.1-class flare in an intense outburst, causing communications disruptions. It was the year's strongest solar ...

Flare activity: Solar activity remained at moderate to high levels, with 19 flares observed: 4 M-class and 15 C-class events. Sun news November 28: Far-side firestorm spins into view The strong ...

Update, Nov. 5, 2025: NOAA has upgraded its forecast to a G3 (strong) geomagnetic storm, meaning up to 21 U.S. states may see aurora overnight on Nov. 6-7, 2025. Two X-class solar flares — the ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Officially, solar maximum is defined as the peak month of a given solar cycle, based on monthly sunspot numbers. More specifically ...

Skywatchers across the northern United States and parts of Europe have had far more chances to see the aurora over the past two years than during a typical decade, and the reason traces back to where ...