While many people mourn summer with the passing of Labor Day Weekend, the autumnal equinox is the official end of the summer season. The autumnal equinox marks the start of autumn in the Northern ...

Stars and planets are lining up for the change of seasons during the Northern Hemisphere's autumnal equinox this year.

It's September. By some definitions, that means fall has begun. For others, it is still weeks away. Here's a guide on all ...

Chillier weather, shorter days, hot mugs of apple cider and Halloween decorations aren't the only signs the seasons are changing. It's officially the first day of fall, based on astronomical data.

The Earth is tilted at a 23.5-degree angle, and as it travels around the sun, the Earth’s axis is tilted toward or away from the sun. During the equinox, the Earth’s axis and its orbit line up, ...

Say goodbye to summer because the autumnal equinox arrived on September 22, marking the beginning of fall in the northern hemisphere. "Equinox is latin for 'equal night,'" according to AccuWeather.

This year's Autumnal Equinox falls on September 22, 2022. But what does that mean exactly? The Earth rotates on its axis once every 24 hours and revolves around the sun once every 365 days. And ...