Expect an uptick in aurora sightings near the spring equinox on March 20, as celestial geometry swings in favor of ...

The spring equinox begins on March 20, which is the first day of astronomical spring. Meteorological spring falls on March 1. The Met Office says that astronomical seasons “refer to the position ...

The National Oceanic and Atmospheric Administration's GOES East satellite captured a view of Earth during vernal equinox in 2020.

The first day of spring falls on the spring equinox, which happens every year on March 19, 20, or 21. This year, the first day of spring falls on March 20, 2025. The vernal equinox marks the ...

The spring equinox, or the vernal equinox as it is more formally known, marks the astronomical start of spring, when the sun passes north over the celestial equator, a notional equator that ...