Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. What day is the first day of spring 2026? Friday, March 20, ...

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 second and ...

Fall foliage at sunrise on the Blue Ridge Parkway near Asheville, North Carolina. The September Equinox 2025 arrives Sept. 22 at 2:19 p.m. EDT, marking autumn in the north and spring in the south.

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 ...

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 ...