Researchers have proposed that changes in Earth's ionosphere could trigger electrical forces that nudge fragile areas of the crust into creating an earthquake.

Solar physicists have long known that the sun stores staggering amounts of magnetic energy, but the exact trigger that lets that energy explode in a solar flare has been stubbornly elusive. Now, a new ...

Solar Cycle 25 has reached its most active phase, bringing stronger solar flares and geomagnetic storms that may affect Earth’s technology.

The most intense type of solar flares emitted by the Sun is the X-class, and several of them in a short period of time is sufficient to alarm both the skywatchers and the satellite operators. Over the ...

Researchers say a deadly earthquake in Japan and 2023’s most powerful solar flare occurring back-to-back can’t be a ...

NOAA warns of likely G1-class geomagnetic storms on Thursday, Feb. 5, through Friday, Feb. 6, as a coronal mass ejection from ...

Add Yahoo as a preferred source to see more of our stories on Google. If you’re seeing social media posts about an X-class solar flare, here’s what you need to know now. A powerful X-class solar flare ...

The region has unleashed at least two powerful solar flares in the last 12 hours, and experts are certain there's more to come. Reading time 2 minutes The Sun is currently in the active phase of its ...

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 ...