Autumn is a big time for trees. Many shed their leaves, and of course, before the leaves fall, they can turn brilliant colors. One of those colors has generated a lot of heated debate among scientists ...

Happy child wearing blue sweater and khaki pants holding arms out in falling leaves. - Klaus Vedfelt/Getty Images The vivid red and orange leaves of Japanese maple trees (Acer palmatum) make them a ...

As the outside world normally is around this time each November, things have changed a lot. Many trees are already devoid of leaves while others are still covered with colorful ones. When the ...