Today marks the autumnal equinox, or the first day of astronomical fall. Have you ever wondered why it occurs on a different ...

In addition to refraction hastening sunrise and delaying sunset, there is another factor that makes daylight longer than night at an equinox: sunrise and sunset are defined as the times when the first ...

Equinoxes occur when Earth reaches a point in its orbit where the sun shines directly on the equator. This happens twice a ...

The leaves began changing colour and temperatures dropped earlier this month, signalling the shift to fall. However, ...