ORLANDO, Fla. – Spring has officially arrived! The vernal equinox arrived on March 20, marking the start of the season for the Northern Hemisphere. But what does that really mean? Let’s break ...

Spring is almost here — officially, at least. The vernal equinox arrives on Thursday, marking the start of the spring season for the Northern Hemisphere and the fall in the Southern Hemisphere.

And today, March 20, the vernal equinox signals the astronomical start of spring in the Northern Hemisphere. Though equinoxes ...

In the Northern Hemisphere, the spring equinox is also referred to as the March equinox and the vernal equinox. Stumped by that last one? It makes sense when you consider the word’s origin ...

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 ...