Science Sep 22 Fall has officially arrived. Here's what to know about the autumnal equinox By Associated Press
Science Mar 16 Is spring really, finally here? What to know about the vernal equinox It's far from clear if the weather is planning to cooperate, but spring arrives — technically, at least — Friday. By Associated Press
Science Sep 22 Day and night get equal billing as fall equinox arrives. Here are 3 things to know The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere and the spring in the Southern Hemisphere. By Associated Press
Science Sep 22 Today is the first day of fall. Here's why The word “equinox” comes from the Latin words for equal and night. But day and night are not exactly equal length on the equinox. By Osnat Katz, The Conversation