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

A potential geomagnetic storm is expected to impact Earth on Wednesday, September 25, following a large eruption from sunspot ...

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

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

The event was the annual equinox sunrise ceremony at Cahokia Mounds National Historic site’s “Woodhenge,” a massive sundial ...

If you get up early enough, you can experience an equinox sunrise. The autumnal equinox heralds the arrival of fall in the northern hemisphere.

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.

Twice a year, the sun doesn’t play favorites. Everyone on Earth is seemingly on equal status – at least when it comes to the ...

Sept. 22, marks the first day of the autumnal equinox in the Northern Hemisphere, according to the Farmer’s Almanac. It ...

September 22nd is when the autumnal equinox begins and the night gains ground over the day as the position of the Sun and Moon change.

Taking in the beauty of our planet is a special treat on the autumnal equinox. Sunday morning marked the Sun’s direct rays ...