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

Its fall - or autumnal - equinox can land between Sept. 21 and 24. The solstices mark the times during the year when the Earth is seeing its strongest tilt toward or away from the sun. This means ...

In the Northern Hemisphere, the autumn equinox falls on September the 22nd ... as 'equal night' and marks the point at which the Earth is experiencing the same length of day and night, about ...

There are two different definitions of winter: meteorological and astronomical. One started Dec. 1; the other won't be here ...

The Earth rotates along an imaginary line that ... That was held on September 17 this year. In Japan, Autumnal Equinox Day is a national holiday. In Japanese, it’s known as Shubun no Hi ...

As the Earth never stops revolving around the Sun, the day and night become equal during the Autumnal Equinox or Fall Equinox ...

And then there is the astronomical calendar. The astronomical autumn, scientifically defined by the equinox when day and night are nearly equal in length, falls on 23 September, signally the ...

Not everyone welcomes long nights paired with less sunshine, but it's not all bad news. Here's what Louisville can expect on ...