Twice a year, Earth tilts just right, giving nearly equal amounts of day and night across the globe. One of those moments arrives Monday: the fall equinox, officially ushering in the arrival of autumn ...

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 ...

Are you ready for fall? The official arrival of fall is the autumnal equinox, which occurs in the Northern Hemisphere on Monday. After a hot summer, the September equinox marks a welcome shift in the ...

We're breaking out the cozy sweaters and warm beverages, because fall is here. Here are some answers to the most common questions about the beginning of the season. The official kickoff time for fall ...