People participate in rituals during a fall equinox celebration on an embankment of the Neris River near King Mindaugas' ...

But what exactly is an equinox? It's all about Earth and its relationship with the sun. Here's how to understand, visualize and celebrate the autumnal equinox. The autumnal equinox in the Northern ...

The equinox is cool because it's a time of year when the night and day are almost equal. This awesome GIF of Earth from NASA's Astronomy Picture of the Day (APOD) helps to explain why that happens.

Happy New Year's on Mars. Martian years are almost twice as long as Earth years. Nov. 12 is the day to celebrate the start of ...

This is when the sun passed over the equator or the equator was the closest part of Earth to the sun, the exact moment being 21:59 GMT. The term equinox means "equal night," when day and night are ...

Before an equinox shadows move one way ... Here’s where to go to watch an alignment of Earth and the Sun at sunrise and/or sunset—and peer into ancient cultures that observed the night ...

The vernal (or spring) equinox of 2018 happens Tuesday, March 20. Earth's rotation does not cause equinoxes. Equinoxes occur when Earth's tilted axis is perpendicular to the sun's rays.

The lesson covers topics such as why the Earth doesn't stand up right, why seasons are different depending on which hemisphere you live in, and a little Latin that explains spring and fall.

The hunter's moon is the first full moon after September's autumnal equinox-adjacent harvest moon ... in the midpoint of the lunar cycle when the Earth is positioned directly between the sun ...

Everyone on Earth is seemingly on equal status – at least when it comes to the amount of light and dark that they get. On Sunday, we enter our second and final equinox of 2024. If you reside in ...