October is finally here, and with it comes more fall foliage reaching its peak throughout the U.S. Each year, as trees begin to store a chemical called chlorophyll, their leaves lose their green ...

The autumn equinox marks a pivotal moment in the year, when the hours of daylight and darkness fall into perfect symmetry, offering a moment of cosmic balance. In 2025, it falls on September 22 in the ...

On Sept. 22, the autumnal equinox, which signals the start of fall in the Northern Hemisphere, finally brings an end to our long, hot summer on Monday at 2:19 p.m. EDT. This happens at a precise ...

The word "equinox" is derived from the Latin words for "equal" and "night." Chillier weather, shorter days, hot mugs of apple cider and Halloween decorations aren't the only signs the seasons are ...

Here's what happens as the direct rays of the sun slip south of the equator as the seasons change. When is the first day of fall in 2025? A carefully worded answer is that on Monday, Sept. 22, at 2:19 ...