Equinoxes occur twice a year, with night and day being almost the exact same length all across the world. The next equinox is ...

The vernal equinox is what you make of it. "Considering that the Earth's orbit doesn't have a beginning or an end, a year could really be started any time, and the equinox is more astronomically ...

The vernal equinox, which occurs at the start of astronomical spring, is when the sun's rays equally shine on both of the Earth's hemispheres. Thursday marks the vernal equinox, or the first day of ...

Is the sweltering Florida summer heat getting to you? You're not alone; but the start of fall is rapidly approaching. Here's ...

The shift is called the vernal equinox, halfway between the winter and summer solstices when the Earth tilts one hemisphere the farthest from the sun. Here's what to know about spring.

The shift is called the vernal equinox, halfway between the winter and summer solstices when the Earth tilts one hemisphere the farthest from the sun. Here's what to know about spring.