The autumnal equinox begins this Tuesday, marking the beginning of fall in the Northern Hemisphere. Here's all you need to know.

Pumpkin spice season has arrived, football is back, mornings are getting cooler and leaves are beginning to change color across parts of the Northeast. Another sign that summer is winding down? The ...

Fall Equinox is one of the most significant astronomical event, which is going to take place in the northern hemisphere on September 22-23, 2026. The event happens, when the day and the night becomes ...

The last full day of summer has arrived, with the first day of fall officially set to begin Tuesday and bringing cooler days, colorful foliage and sweater weather along with it. Fall officially begins ...

Fall officially starts on Sept. 22, but the temperatures still may be warmer than expected.

Autumn lovers rejoice. Summer is winding down as the fall equinox is finally here. While fall and Halloween decor have already hit many store shelves and pumpkin spice lattes are being served in ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This voice experience is generated by AI. Learn more. This ...

When is the fall equinox in 2026? In 2026, the fall equinox takes place on Tuesday, Sept. 22. On the day of an equinox, the Earth's axis isn't tilted. Because of this, all latitudes experience fairly ...

The fall equinox occurs this year on Sept. 22 at 8:05 p.m. ET. The Sun glides over the equator, shifting the seasons and creating an equal number of hours of day and night. The fall equinox also ...

Monday, Sept. 22 is what many consider the first official day of fall: The fall equinox. The equinox marks the moment when the Sun crosses the equator, marking the start of autumn in the Northern ...

TAMPA, Fla. — It will officially be autumn on Monday, so time to break out the fall decorations and pumpkin spice treats, if you haven't already. Although it may technically be "sweater weather," you ...