Winter will be here soon enough, but enjoy those gorgeous fall leaf colors along the Front Range before any snowflakes arrive. Reach back and recall your grade-school days and the simple science ...

The leaves are changing color and the leaves are falling. Already on our website a story about what causes the color change ...

Leaves change color every year, for a sight so beautiful that many Americans plan their vacations around it. ... Oak trees might have a couple more weeks after that, ...

Here's the science of why leaves change color and fall. ... the process of leaves falling off trees happens. ... a mature oak tree holds about 200,000 leaves on it throughout the year.

Deciduous trees have unique autumn leaf colors that are specific to every species. Fall's most common leaf colors are red, yellow, and orange.

Chinquapin oak (Q. muehlenbergii), pin oak (Q. palustris), northern red oak (Q. rubra), and black oak (Q. velutina) exhibit reddish-brown to brown leaf colors. My personal favorite of the oak ...

How much and how fast leaves transform varies by location on the globe. The best colors are produced when the weather is dry, sunny and cool. Places that are cloudy, damp or warm won’t see the same ...

When trees stop photosynthesizing due to less sunlight, the veins that deliver sap to the leaves shutdown and a separation forms to protect the branches, and the leaves eventually drop to the ground.

Each fall, the trees in Pennsylvania exchange their green leaves for reds, yellows, oranges, and browns. A lot goes on behind the scenes of this beautiful natural process.