Leaves changing colors is one of the most iconic parts of autumn in the United States, and there's still time to catch stunning fall foliage before trees become totally bare leading into winter. But ...

Sep. 12—From the cliffside aspens of the Pecos Wilderness to the vibrant maples of the Manzano Mountains, the symphony of fall colors is about to commence in New Mexico But what's conducting this ...

Behind every autumn leaf lies a chemical shift-chlorophyll fading, carotenoids glowing, anthocyanins rising-that turns survival into spectacle. Every autumn, landscapes across much of the world ...