A powerful X1.9 solar flare from new sunspot AR4299 triggered strong radio blackouts, as giant sunspot AR4294 rotates into ...

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 ...

The sun is not a static, tranquil sphere of gas, but an active, turbulent star with magnetic fields that twist and snap in powerful eruptions. Among the most striking and energetic of these eruptions ...

The number of X-class solar flares — the most powerful and potentially dangerous class of solar eruption — hit a new record high in 2024. The spike highlights that we are currently experiencing a ...

The sun has fired off not one but two colossal X-class solar flares in less than 12 hours, causing radio blackouts across the sunlit portion of Earth at the time of eruption and marking a dramatic ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Solar flares are a great reminder of our sun’s truly immense power ...

After weeks of reduced activity, the sun erupted with three powerful flares on a single day. That could send solar flares toward Earth, impacting electronics and making it possible to view the ...

The region has unleashed at least two powerful solar flares in the last 12 hours, and experts are certain there's more to come. Reading time 2 minutes The Sun is currently in the active phase of its ...

The northern lights could be visible from a much larger portion of the northern United States than usual on Tuesday night and Wednesday morning, according to the National Oceanic and Atmospheric ...

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 ...

With a particularly active sunspot rotating into Earth-facing view, the first X-flare has been recorded since June. The sun released an X1.8-class flare early Tuesday afternoon, with an associated ...