Is it fall or autumn—or both? Here's what to know about using autumn vs. fall when talking about the season of pumpkin spice.

5. 'Canada Red' chokecherry Tree A native North American tree, this tree turns entirely into a deep shade during the autumn season.

Fall foliage tracker: Discover where the most brilliant autumn colors are right now By Andrew Wulfeck, FOX Weather Published Oct. 15, 2023, 9:42 a.m. ET ...

The answer is found in how woody plants grow. Trees and shrubs sense the shortening days of autumn, which triggers them to begin shutting down growth in preparation for winter’s arrival.

As the sun sets earlier and earlier during fall, the nights grow longer and cooler, starting the process of the leaves changing to autumn colors. How do the leaves change their pigment? The ...

Climate change may cause fall leaves to change later, putting trees at risk for frost damage. Even if they change on time, colors may not be vibrant.