After weeks of reduced activity, the sun erupted with three powerful flares on a single day. That could send solar flares ...

An active sunspot could give photographers another reason to photograph the night skies this weekend. A solar flare that hit ...

In May 2024, the largest solar flare since 2017 was detected, ranking at an X-8.7 magnitude. Then in 2025, a flare May 13 was classified as an X-1.2 , and another the next day was listed as an X-2.7.

Solar flares measured around X1 — like the May 13 and 14 events — indicate strong flare intensity. An X10 flare is described as as a severe event, according to NOAA.

A fiery X2.7-class solar flare that erupted from sunspot AR4087 early Tuesday morning (May 14), sending charged particles and plasma hurtling toward Earth. And experts warn, this is just the ...

Scientists caught a massive and extremely powerful X-class solar flare being spat out from the sun on Friday (March 28), just before the stellar eruption triggered a radio blackout across two ...

The intense solar flare originated from sunspot region AR3869 and unfolded over the span of an hour, reaching its peak at 11:57 p.m. EDT on Oct. 23 (0357 GMT on Oct. 24). Extreme ultraviolet ...

"Solar activity reached high levels. An X3.3/sf flare was observed at 24/0357 UTC from Region 3869," NOAA's Space Weather Prediction Center said in a forecast discussion, "as well as an ...