An equinox is a phenomenon that only happens twice a year – once during the spring equinox and once during the autumn equinox ...

Around the time of the September equinox, the days shorten at their fastest clip and the night reasserts its dominance of the northern sky. This year the equinox arrives at 2:50 a.m. on the 23rd.

Autumn is rapidly approaching. The Autumn equinox falls on 23 September, when night and day are pretty much exactly the same length – 12 hours – all over the world; equinox means "equal night ...

If you can't help falling in love with autumn, this season is for you. Sept. 22 marks the 2024 Autumnal Equinox, when the sun ...