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

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

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

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

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 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?

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

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

The March equinox, also known as the spring equinox or vernal equinox, marks a significant astronomical event, signaling 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 ...