Starting off with astronomical seasons, this system bases itself on the Solstices and Equinoxes that occur each year as Earth ...

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

Spring officially begins on March 20 each year at approximately 5:01 AM EST, according to NASA. Yes, today officially marks ...

Thursday is the first day of spring, or the vernal equinox, in the Northern Hemisphere. During an equinox, the center of the sun is on the same plane as the equator. After the vernal equinox in March, ...

SAN DIEGO — San Diego rings in the start of the spring season with the first sunset past 7:00 p.m. this year. On Thursday evening, sunset will come at 7:01 p.m., following a sunrise Thursday at 6:52 a ...

The Northern Hemisphere is welcoming Spring 2025 on March 20, also known as the vernal equinox. The jump into spring has come ...

New research suggests that Earth’s orbital variations—the slow changes in its tilt, axial precession, and shape of its ...

Spring Equinox is rapidly approaching. When is the first day of spring? What we know about when spring starts, winter ends, ...

Spring begins March 20. Meteorologist Taylor Stephenson explains the science behind the equinox and how much daylight is yet to come.

Spring is almost here — officially, at least. The vernal equinox arrived today, marking the start of the spring season for the ...

They're caused by a combination of Earth's orbit and its axial tilt. Every six months, once in March and again in September, an equinox splits Earth’s day almost in half, giving us about 12 ...