Crawford Notch, looking east, during autumn. Every other Friday, the Outside/In team at NHPR answers listener questions about the natural world. Today's question comes from Jarrett from San Francisco, ...

Do you ever wonder why leaves change in the fall and what determines the colors that they change to? It's kind of like swapping out your summer T shirt for *** snazzy winter coat. They're really ...

SIOUX FALLS, S.D. (KELO) — We’re starting to see fall come into its own across KELOLAND. Meteorologist Adam Rutt looks at the science behind the colors. Now that we’ve seen a few more chilly nights to ...

Before the advent of pumpkin spice lattes and Halloween decorations, the most reliable indication of autumn’s arrival lay in the tree canopy as its greens gave way to yellows and reds and its leaves ...

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 ...

Weather Impact: Fall 2024 Preview We know things will get cool in the fall at some point, but how will the leaves be this year? Our team of meteorologists breaks it down the science of fall.