NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare and X1 flare. See time-lapses of the flares in multiple wavelengths. Credit Space.com | footage c ...

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

NASA Solar Dynamics Observatory captures sunspot AR3341 blast a powerful X1.1 solar flare. Credit: Space.com | footage ...

After more than three weeks without a powerful solar flare, the sun has suddenly ramped up its activity, firing off three ...

"Sunspots 4114 erupted with an X1.2-class solar flare. Minutes lates, sunspot AR4115 "erupted in quick succession," according ...

Sunspot AR3767 erupted with a X1.7-class solar flare, followed by an X1.1-class flare from sunspot AR3780. NASA's Solar ...

The M4.4 solar flare unleashed a coronal mass ejection (CME) into space — and Earth might just receive a glancing blow.

The coronal mass ejection hurled from an active sunspot launched a bit sidewise, which lowers the odds of seeing the effects ...

A flare of M2 level was recorded on the Sun, which became the strongest in the last 1.5 months. This was announced on August ...

In May 2024, the largest solar flare since 2017 was detected, ranking at an X-8.7 magnitude. Then in 2025, a flare May 13 was classified as an X-1.2 , and another the next day was listed as an X-2.7.

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 ...