The vernal equinox arrives on Thursday, marking the start of the spring season for the Northern Hemisphere and the fall in ...

As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.

The Earth is not tilted toward or away from ... solstice is when the South Pole tilts toward the sun. Both the equinoxes and solstices determine the start of a new season. The summer solstice ...

Thursday is the first day of spring, or the vernal equinox, in the Northern Hemisphere. During an equinox, the center of the ...

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. On the ...

Despite the recent resurgence of winter weather, I can feel how close spring is. Here in New Mexico, the roadrunners are frolicking, trees are budding, and I'm sowing lettuce seeds in my raised garden ...

Its fall – or autumnal — equinox can land between Sept. 21 and 24. The solstices mark the times during the year when the Earth is at its most extreme tilt toward or away from the sun.

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.