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 it down.

Add Yahoo as a preferred source to see more of our stories on Google. Spring has officially sprung in North America, bringing with it the promise of warmer days. At precisely 5:01 a.m. ET on Thursday, ...

Spring has officially sprung in North America, bringing with it the promise of warmer days. At precisely 5:01 a.m. ET on Thursday, March 20, the sun's rays fell directly on the equator, marking the ...

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