And “Flares of this magnitude are not frequent,” according to a statement from the NOAA officials. A blazing X2.7-class solar flare erupted from sunspot AR4087 early Tuesday, ...

The flare on May 13 was classified as an X1.2 flare, while the following day's event was listed as an X2.7 flare — the number provides more information about the event's strength, according to NASA.

The strongest category of solar flares, known to potentially cause worldwide transmission problems and blackouts, could be emitted this week, scientists say. On Sunday, radio blackouts were ...

The sunspot will turn to directly face Earth this weekend. A covert sunspot partially hidden behind the sun's southeast limb unleashed a powerful M9.6 class solar flare on May 16 at 12:43 p.m. EDT ...

The flare was even bigger than a previous one that triggered May's global aurora storm. On Tuesday (July 23), Europe's Solar Orbiter (SolO) spacecraft witnessed an extremely powerful X14 class ...

The sun roared to life early Tuesday (May 14), unleashing a powerful X-class solar flare from a newly emerging sunspot region AR4087. The eruption peaked at 4:25 a.m. EDT (0825 GMT), triggering ...

On May 13, 2025 and May 14, 2025, the sun fired solar flares, and the radiation of those flares triggered radio black outs in some parts of the world, according to a forecast discussion from the ...

Ashcraft: We are hearing a solar Type III radio burst that was generated by a solar flare as recorded at 28 MHz and 21 MHz. Although the flare was relatively small, this particular radio burst was ...