The arrival of autumn brings about longer and cooler nights. These changes send a signal to the leaves in trees to stop producing chlorophyll, the compound that makes them green. The loss of ...

Scientists have uncovered how the interplay between cell shape and mechanical stress influences the orientation of stomata ...

It's officially fall in the Northern Hemisphere, which means bright, beautiful foliage isn't far behind. Parts of the U.S. will soon start to see — if they haven't already — leaves and shrubs trade ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaf shapes play an important role in tree identification, providing key ...

It’s officially fall in the northern hemisphere, but depending where you are, it might not look like it. From Maine and Vermont to New York, tourists often flock to the U.S. East Coast to see the ...