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

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 ...

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.

Solar flares are categorized based on their strength, with five designated categories: A, B, C, M and X. Solar flares with ratings between X5 and X8.7 impacted Earth in May 2024, allowing the ...