The vernal equinox heralds the arrival of spring in the Northern Hemisphere (finally). But have you heard the myth about ...

As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.

Ready for the first day of spring? What we know about the 2025 spring equinox, the autumnal equinox, summer and winter ...

Solstices and equinoxes are the products of Earth's axial tilt: the degree to which the planet is tilted relative to the sun. The axis around which the Earth spins isn't straight up and down ...

As winter fades and the days grow longer, the Spring Equinox marks the official arrival of spring in the Northern ...

until the solstice. Darkness will soon be in short supply. However, aurora season could go out with a bang thanks to ...

Over the next month, keen observers will witness eclipses, planet parades, and other celestial ... or autumnal — equinox can land between Sept. 21 and 24. What is the solstice?

Astronomical seasons are marked by equinoxes and solstices, which relate to the position of the earth. Meteorological seasons are based on annual temperature patterns and cycles, which is why each ...

So mark your calendar for March 20: The vernal equinox signals the astronomical start of spring in the Northern Hemisphere. While equinoxes might not get the same attention as solstices ...