But on March 19, the astronomical winter ends and spring begins. It's also known as the vernal equinox – when day and night are the about same length almost everywhere on Earth.

This article presents valuable findings on how the timing of cooling affects the timing of autumn bud set in European beech saplings. The study leverages extensive experimental data and provides an ...

Autumn warming suppressed soil respiration by 2.5% and 17.2% without and with spring warming, respectively. Decreased soil respiration in summer under both spring and autumn warming dominated the ...

After windy conditions on Wednesday, the first day of spring is forecast to be sunny with a high near 65. Here's what to know about the season's change.

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 ...

Equinoxes occur twice a year, in March and September, to mark the onset of spring and autumn. During an equinox, which in Latin translates to “equal night,” both day and night are equal.

The spring — or vernal — equinox can land on March 19, 20 or 21, depending on the year. This year it landed on Monday at 5:24 p.m. Eastern time.