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

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

Former NASA astronaut and Columbia University professor Mike Massimino joins TODAY to share his unique perspective to explain ...

The fall equinox not only marks the first official day of fall, here in San Diego it is also the time to view "Salkhenge." ...

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

The autumnal equinox brings fall to the Northern Hemisphere today as the sun passes directly over the equator at noon. But ...

The "Chicagohenge" phenomenon aligns with the fall equinox, offering picturesque sunrise and sunset views between city ...

Here's what to know about the autumnal equinox on Sept. 22, including what it means for your zodiac sign according to ...

Along with some aesthetic changes and technology updates, the 2025 Chevy Equinox also gets a new trim level, the ...

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

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

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