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 ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The September equinox is ...

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

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 ...