Did you know both the astronomical first day of spring and Easter Sunday are tied to the spring equinox? How they relate, ...

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?

You probably know that Earth Day is celebrated on April 22, but did you know there is historically a second Earth Day?

Once rooted in pollution protests, Earth Day now mobilises over a billion people each year to confront energy use, carbon ...

During the equinox, the Earth’s axis and its orbit line up so that both hemispheres get an equal amount of sunlight. The word equinox comes from two Latin words meaning equal and night.

Here's what to know about how we split up the year using the Earth's orbit.What is the equinox?As the Earth travels around the sun, it does so at an angle.For most of the year, the Earth’s axis ...

In the Northern Hemisphere, the vernal or spring equinox, typically occurs between March 19 and 21, while the autumnal or fall equinox occurs between September 21 and 24. The names are switched for ...

which happens when the full moon is at its closest point to Earth. Easter's date is based on the lunar calendar. Easter comes ...

The first day of meteorological spring is March 1, while the astronomical first day of spring varies based on the vernal equinox. Astronomical seasons depend on the Earth's position relative to ...