The northern lights could be visible from a much larger portion of the northern United States than usual on Tuesday night and ...

The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.

The sun unleashed a third X-class solar flare on Nov. 11. Clocking in at X5.1, it is the biggest solar flare this year and ...

Blue Origin canceled its planned Mars-bound launch of its ESCAPADE craft for the second time due to increased solar flare ...

NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare and X1 flare. See time ...

Solar flares are classified based on their strength into classes A, B, C, M, and X, with each class being ten times more ...

These CMEs are currently headed toward Earth and will likely cause strong to minor geomagnetic storms later today and ...

Two new large solar flares over the last 36 hours have increased the chances of northern lights this week, here's the latest ...

A cluster of sunspots that rotated into view at the start of the month has fired off its fifth X-class flare. The series of ...

A severe geomagnetic storm is possible starting Tuesday evening, and the clouds in Minnesota could cooperate to see the ...

The Sun recently erupted with its most powerful solar flare of 2025, a massive burst of energy that immediately impacted ...

The same region on the sun that’s responsible for this week’s stunning auroral display just erupted in another powerful solar flare early on Friday morning ...