Meteorological summer began on Sept. 1, but astronomical autumn is Sept. 22 at 8:44 a.m., what we call the autumnal equinox.

Fall equinox 2024 arrives on Sunday2. Find out why the first day of autumn still features a little more daylight than ...

Autumn officially begins 8:43 a.m. Sunday in Ohio, according to timeanddate.com. That's the exact moment of this year's ...

The autumnal equinox heralds the arrival of fall in the northern hemisphere, and it's just around the corner. Here's what to know.

As the transition from summer to fall begins, the sun's angle starts to change as well, impacting everything from temperature to even your health.

Fall kicks-in on Sunday Sept. 22. “Autumn” is the season of the year that is the transition period from summer to winter, ...

I cannot endure to waste anything so precious as autumnal sunshine by staying in the house.” — Nathaniel Hawthorne In another ...

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

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

This Sunday, September 22, autumn begins in the northern hemisphere, from an astronomical phenomenon called autumnal equinox, ...

But when Eratosthenes erected a pole in Alexandria and observed it on the summer solstice, the pole cast a shadow—meaning the sun was not directly overhead. Eratosthenes thought this must be because ...