As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.
The spring equinox will occur at 5:01 a.m. EDT on Thursday. Here's what to know about the start of the spring season.
Spring officially begins in the Northern Hemisphere on March 20 with the vernal equinox as the entire world experiences an ...
The spring, or vernal [comma] equinox will occur during the morning of Thursday, March 20. Here's what it means.
The vernal equinox marks the start of spring in the Northern Hemisphere — so does that mean this is the only day out of the ...