But like the falling leaves and cooling temperatures, there’s a debate that happens every year: autumn vs. fall. Although both refer to the same season, Americans tend to say “fall” more ...

Every autumn we revel in the beauty of the fall colors. The mixture of red, purple, orange and yellow is the result of chemical processes that take place in the tree as the seasons change from summer ...

The compounds vary by species and determine the color of the tree’s autumn foliage ... produce the best fall color. A 2021 study suggested that Northeastern U.S. maple leaves are changing ...