The vernal equinox arrives today, marking the start of the spring season for the Northern Hemisphere and the fall in the Southern Hemisphere. On the equator, the sun will be directly overhead at noon.

Spring officially begins today (March 20) with the vernal equinox, bringing longer days and warmer temperatures to the Northern Hemisphere. The vernal equinox signals the astronomical start of ...

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 it down.

Did you know both the astronomical first day of spring and Easter Sunday are tied to the spring equinox? How they relate, ...

The vernal equinox arrives on Thursday, marking the start of the spring season for the Northern Hemisphere and the fall in the Southern Hemisphere. On the equator, the sun will be directly ...

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.