September's sweater-weather chill and the changing leaf colors are a sign that the first day of fall is here. Here's what to know about the autumnal equinox, fall foliage forecast map for 2025, and ...

When does fall begin in the Northern Hemisphere? Whereas a meteorologist might tell you Sept. 1, the beginning of meteorological fall, an astronomer will inform you that seasons pivot on solstices and ...

Day and night will get equal time for a brief moment Monday as much of the world heads into fall. The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere ...

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

You might hear the term "autumn equinox" tossed around Sept. 22 on the first day of fall. But what exactly does that mean? Is it different from a solstice? Yes, actually. They mark seasonal changes ...

This is read by an automated voice. Please report any issues or inconsistencies here. Day and night will get equal time for a brief moment as much of the world heads into fall. The autumnal equinox ...

September's (sporadic) sweater weather chill and the changing leaf colors are a sign that the first day of fall is near. Here's what to know about the autumnal equinox and fall foliage forecast map ...