Chicagohenge is a stunning biannual event that happens during the spring and autumn equinoxes, when the sun aligns perfectly ...

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

The spring equinox marks the start of astronomical spring. The date is determined by the Earth's tilt on its axis as it ...

At precisely 9:01 UTC (5:01 a.m. EDT) on March 20, our star will cross the celestial equator during the vernal (spring) ...

The weather has been hinting at it for weeks, but the spring equinox will finally arrive this week in the Chicago area.

The vernal equinox heralds the arrival of spring in the Northern Hemisphere (finally). But have you heard the myth about balancing an egg on its end?

Read Illustration showing how Earth's tilt leads to the Northern and Southern Hemispheres receiving changing amounts of ...

The spring equinox is a "vital part" of the astronomical calendar as it signals the transition from winter to spring ...

The spring equinox - also known as vernal equinox - marks the first day of spring in the northern hemisphere, according to ...

Spring 2025 technically begins at 5:01 a.m. Eastern time that day as the sun moves directly over the Earth’s equator — the ...

The spring equinox marks the start of astronomical spring. The date is determined by the Earth's tilt on its axis as it travels around the Sun. At the equinox, the Earth's axis is tilted neither ...