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 ...

The Fall Equinox marks the official start of autumn in the Northern Hemisphere, representing a key shift in Earth’s relationship with the Sun. While it is often linked to equal day and night, the ...

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 ...

The fall season is here, as marked by the autumnal equinox, which will happen Monday. The autumnal equinox will occur Monday, Sept. 22, at 12:19 p.m. MT/1:19 p.m. CT, signaling the end of summer. The ...

(CNN) — Twice a year, the sun doesn’t play favorites. Everyone on Earth is seemingly on equal status – at least when it comes to the amount of light and dark that they get. On Monday, we enter our ...