The spring equinox and the sun's solar cycle could bring views of the northern lights, also known as the aurora borealis, this March.

The first day of spring is marked by the spring equinox, when the sun shines directly on the Earth's equator, giving equal ...

The first day of spring 2026 in the Northern Hemisphere arrives with the equinox on March 20. Here's when and why the seasons change ...

After a long, cold winter, the vernal equinox heralds the arrival of spring in the Northern Hemisphere. But have you heard ...

Most people define the beginning of spring as the spring equinox (also called the vernal equinox, for those of you who like ...

As the days go by, the date of the spring equinox gets closer. In 2026, it falls on Friday, March 20th. But what exactly is the spring equinox, and why does it precisely start at 3:45 PM this year? We ...

The spring equinox occurs at 10:46 a.m. Eastern Daylight Time on March 20, when the sun crosses from the southern to the northern half of the celestial sphere. This astronomical transition marks ...

Traditionally, the first day of spring is marked by the spring equinox, which falls in March every year. Here's what you need ...