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

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

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.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The sun lashes out with a ...

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

A solar flare is an extremely bright flash of radiation. It occurs when magnetic energy associated with a sunspot is suddenly ...

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 ...

“The definition of the solar maximum is when the sunspot number is at its highest,” Dr Rachel Howe, a solar physicist at the ...