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

The autumnal equinox on Sept. 22 marks the start of fall, bringing equal day and night in the Northern Hemisphere.

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

The fall equinox can vary between Sept 21-24 from year to year. Here's why that happens and a look at exactly when fall ...

The Northern Hemisphere bids farewell to summer and is about to welcome the cooler climes of fall. Here's what you need to ...

The fall season officially begins on the calendar this Sunday, with the autumn equinox. For those of us in the northern ...

Good morning, Chicago. It’s that time of year again. During the fall and spring equinoxes, the sun rises directly to the east and sets directly to the west. The buildings on the east-west streets hug ...

Warm temperatures may be coming back to the Bay Area this week, but this weekend will also welcome the arrival of the autumn ...

In the northern hemisphere, the autumnal equinox occurs in September while for those of you in the southern hemisphere, it takes place in March, when we in the north are experiencing our vernal, or ...

The final days of the summer season are with us until the fall equinox on Sunday, the 22 and another La Niña winter looms.

The Northern Hemisphere will then slowly inch back toward the sun, resulting in the spring equinox — and another Chicagohenge ...

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