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.

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, ...

Kelly Clarkson wore flare jeans on an episode of "The Kelly Clarkson Show" a few months ago, and we think that similar styles would be perfect for the office. Shop seven pairs of lookalike flare ...

Northern lights dazzle skies around the world 03:13. The giant solar explosions of energy and light aren't over yet. Officials said on Tuesday that the sun just emitted another major solar flare ...

The sun blasted Earth with a powerful X-class solar flare on Tuesday, causing radio blackouts.; Three more moderate solar flares followed, and we could see more eruptions in the coming days. The ...

The flare may have been accompanied by a plasma eruption aimed at Earth. The sun just gave us a reminder of its immense might. Our star unleashed an X-class solar flare today (Dec. 14), blasting ...

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 ...

Solar flares are classified into five categories based on their strength. The weakest are A-class flares, followed by B-class, C-class, M-class, and the most powerful, X-class.

These flares were initially reported as X8.2 and X9.3, but later reclassified as X13.3 and X11.8 after the NOAA flare recalibration in 2020.