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 ...

The vernal equinox, marking the first day of spring, occurs on Thursday, March 20, 2025, at 5:01 a.m. ET. An equinox happens when the sun's rays are directly over the equator, resulting in ...

Winter is coming to a close and spring is about to kick in. So, now is a good time to talk about equinoxes and solstices. With the vernal equinox nearly upon us, here's what we know about when spring ...

September's sweater-weather chill and the changing leaf colors are a sign that the first day of fall is here. Here's what to know about the autumnal equinox, fall foliage forecast map for 2025, and ...

Stars and planets are lining up for the change of seasons during the Northern Hemisphere's autumnal equinox this year.

As we begin to see the end of September, the fall equinox is here to signal the end of summer 2025. Welcoming the fall season and bidding adieu to summer, the fall equinox will be happening on Monday, ...