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.

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 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, ...

A powerful solar eruption from sunspot AR4274 triggered a massive X5.1-class solar flare, causing a Ground Level Event (GLE) with energetic protons reaching Earth's atmosphere and ground. This intense ...

A recent solar storm event caused more than just breathtaking auroras across the Northern Hemisphere; it triggered a series of precautions aboard theInternational Space Station (ISS). Astronauts had ...

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 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 ...