The Sun has produced another powerful X-class solar flare, underscoring the heightened activity of Solar Cycle 25 and reminding scientists that our star is entering one of its most energetic phases in ...

As this month’s string of powerful X-class solar flares sparked brilliant aurorae that lit up skies across an unusually wide swath of the globe — from northern Europe to Florida — researchers at ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Solar Dynamics Observatory captured these images of solar flares — seen as the bright flashes in the top right — on April ...

Add Yahoo as a preferred source to see more of our stories on Google. A monster sunspot has taken aim at Earth after firing off dozens of powerful flares Sunday and Monday (Feb. 1-2) — including the ...

A solar flare eruption showing magnetic reconnection on the Sun’s surface, releasing intense energy as electromagnetic radiation and driving coronal mass ejections, key drivers of space weather. A ...

Cryptocurrency investors face an unusual danger lurking 93 million miles away. Solar flares, massive bursts of energy from the sun’s surface, can interfere with the digital infrastructure that keeps ...

The reliability of high-tech, miniaturized technologies is something easily assumed, but could they be reaching their peak? The looming presence of recent solar flare activity impacting communications ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A spot on the sun 10 times larger than Earth has been seen ...

OVRO-LWA radio data contrasts a quiet day (Sept. 29, 2025) with the hours after the X1.7-class flare recorded at 2:35 ET on Nov. 9. The type III radio bursts, shown in the radio dynamic spectrum ...