Autumn, also known as fall (in North American English), [1] is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, beginning in …

Oct 26, 2025 · autumn, season of the year between summer and winter during which temperatures gradually decrease. It is often called fall in the United States because leaves fall …

2 days ago · Although the chemistry of autumn colours is well understood, there is an ongoing debate among scientists about why trees evolved their vivid autumn colours in the first place.

Autumn or Fall is the third season of the year that arrives after summer and continues until winter. The season is marked by shorter days, lower temperatures, and falling leaves.

Sep 4, 2024 · Fall and autumn are often used interchangeably to describe the third season of the year. But did you know there's a difference in their original meanings? "F all" is about leaves …

Sep 21, 2024 · Discover 34 fascinating facts about fall, from vibrant foliage to unique wildlife behaviors, and embrace the beauty of the autumn season.

AUTUMN definition: 1. the season of the year between summer and winter, lasting from September to November north of…. Learn more.

The season of the year that is the transition period from summer to winter, occurring as the sun approaches the winter solstice. Meteorological autumn (different from standard/astronomical …

We can observe a lot of changes in autumn—the air becomes crisp, the evenings grow longer, and leaves’ dazzling colors emerge. We know autumn is here when the bright green summer …

The first day of fall is on the fall equinox or autumnal equinox 2025/2026, but several definitions of fall season exist. When does fall start this year?