Sunspot AR4274 blasted an X1.7-class solar flare on Nov. 9 and followed it up with an X1.2 flare. Credit: Space.com | footage courtesy: NASA / SDO and the AIA, EVE, and HMI science teams / Helio Viewe ...

The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line. When you purchase through links on our site, we may earn an affiliate commission.

A powerful solar storm could spark auroras as far south as northern California and Alabama on Wednesday, thanks to a particularly rambunctious area on the sun dubbed active region 4274 (AR4274). In ...

The sun just flexed its power, and the Earth felt the shockwave immediately. In the largest solar eruption of 2025, a massive burst of energy classified as an X5.1-class flare tore from the sun, ...

Levels of potentially dangerous cosmic radiation in Earth's atmosphere rose to a two-decade high in November after a rare solar super-flare pummeled the planet with high-speed particles from the sun.

Over the past few days, an active sunspot has erupted multiple times, sending clouds of high-energy plasma into space. The sunspot happens to be facing Earth just now, so the plasma clouds are heading ...

The same active region of the sun that produced stunning auroras that were visible as far south as Mexico earlier this week has erupted again. On Friday the sun released a powerful, X4.0-class solar ...

The sun released another major eruption on November 14, sending out an intense X4-class flare. This was the second-most powerful solar event of 2025 so far and came from the same extremely active ...

The sun erupted in a massive solar flare, the largest of the year, sending a wave of solar activity that could affect Earth starting on Tuesday. A powerful X5.1-class flare, capable of disrupting ...

Earth is set to be hit by a powerful surge of charged particles from the sun beginning on Wednesday. Officials issued an alert today around 12pm ET, warning that the incoming solar activity could ...

Northern lights danced overnight and more displays may follow tonight, as solar storms continue. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.