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 ...

Ready for winter to be over? You're in luck because spring is about to officially begin, making now a good time to talk about equinoxes and solstices. With the vernal equinox nearly upon us, here's ...

Spring has sprung, bringing warmer days and blooming flowers. Thursday is the first day of spring, or the vernal equinox, in the Northern Hemisphere. During an equinox, the center of the sun is on the ...

Spring has sprung! Kat Troche from NASA expains why the length of day and night on the equinox aren’t precisely equal: Depending on your locale, equinoxes can be seen as harbingers of longer nights ...

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 ...