A coronal mass ejection could strike the Earth's magnetosphere this week and cause a geomagnetic storm due to conditions ...

During the solstices, when Earth's poles are pointed towards, the Sun, our planet experiences the least geomagnetic storms.

During an equinox, places around the globe experience nearly equal amounts of daytime and nighttime. The second occurrence ...

The Earth is prone to more geomagnetic storms during the spring and fall equinoxes than throughout the solstices.

EDT on Sunday, September 22, 2024, the sun will cross the celestial equator, putting the magnetic fields of Earth and the ...

The sunspot AR3835 erupted on Sunday (Sept. 22) during Earth's equinox when even a glancing blow can cause a geomagnetic ...

The exact time of the fall equinox changes slightly each year. This year, the equinox arrives Sept. 22 at 8:43 a.m. Eastern ...

The first day of fall arrives on Sunday with the autumn equinox, starting shorter, colder days because of Earth's axis and ...

On Sept. 22, the fall equinox formally heralds in autumn and marks the end of summer in the Northern Hemisphere.

Meteorologists predict that Earth could be blasted by a geomagnetic storm on Wednesday due to its timing with the autumnal ...