ST. LOUIS– One of the highlights of the autumn season is the leaves changing beautiful shades of golds, oranges, and reds. Now that it’s officially fall, the mild days and chilly nights… ...

We love the brilliant hues of fall foliage—but why? Two experts reflect on the sensory appeal and emotional allure of autumn leaves.

Poet John Keats may have written an ode to the rich colours of autumn, but one chemistry teacher has explained exactly why the leaves change hue. Already summer's leaves have already begun their ...

Fall colors doesn't just refer to the trees and leaves – festive imagery like pumpkins, candy corn and apples also fall in this autumn color palette.