The red pigments in some fall leaves have proven to be a puzzle for researchers who debate why leaves bother to go red.

Adding one or two trees with red leaves to your plot is a wonderful way to introduce beautiful structure, ornamental detail and vibrant color to your plot. Planting a tree in your garden is a ...

Leaves often turn brilliant colors in autumn. One of those colors has generated a lot of heated debate among scientists in recent years.

Although the chemistry of autumn colours is well understood, there is an ongoing debate among scientists about why trees evolved their vivid autumn colours in the first place.

Wherever trees grow, sooner or later their leaves get wet. For trees in wet environments, this can be a problem if films of water cover their stomata. These tiny pores allow carbon dioxide to enter ...

What species a tree belongs to is not the only factor behind the color its leave turn in the fall. How much sun and water it gets also play a part.

Spotting a few brown or dying leaves on your tree can be distressing. While it's probably not a reason to panic, it is a sign that you should take a closer look at your tree's health. A lot of ...

Children uncover the wonders of autumn as they explore leaves, seeds, and nuts, learning about nature through activities, creative play, and curious observation outdoors.

With fall set to officially arrive on Monday, many are wondering when and where they can enjoy the beautiful change in leaves ...

Conifers are generally better than broad-leafed trees at purifying air from pollutants. A new study shows that the best trees for air purification depend on the type of pollutant involved. Conifers ...