Every fall season, nature lovers look forward to scenic fall foliage. But do we know the science behind why leaves do this once the temperatures start dropping? Here's how nature creates art during ...

Gold in a branch on the sunny side of a tree. Scarlet in a shrub. The first flashes of color mean that fall is coming soon. Leaf color is a sign that trees are preparing for winter by entering the ...

As daylight wanes and the hours under the stars stretch longer, Mother Nature colors the landscape with an unbe-leaf-able autumn palette. Those jewel-toned pigments of rubies and purples, oranges and ...

The recent boom in native-plant interest focuses mainly on trees, shrubs, grasses, and perennial flowers – by far the main workhorse plants of Pennsylvania landscapes. But even with the diversity ...

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 ...