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 ...

What is the autumnal equinox? The autumnal equinox marks the start of autumn in the Northern Hemisphere. The Earth travels around the sun at an angle, and for most of the year, the Earth’s axis is ...

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 ...

It's officially the first month of autumn. As people look forward to the changing leaves, pumpkin spice lattes and an extra hour of sleep, they may be wondering when fall actually begins. As it turns ...

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 ...