It's fall and the trees are beginning their annual display of spectacular colors. Ever wonder where these colors come from?

Leaves around the northern U.S. are starting to turn orange, yellow and red, inspiring legions of leaf lovers to hop in their ...

Fall is back, and bringing with it jack-o’-lanterns, football, pumpkin spice everything and — in some parts of the country — ...

The best fire-resistant trees are adapted to halt the progress of flames or at least slow down the fire. They tend to have a ...

Expect the leaves of Wisconsin trees to really start showcasing their brilliant yellow, orange and red autumn hues in mid-October, says an expert from UW-Madison.

In the Mojave Desert, rising temperatures, less rainfall, and more intense wildfires are killing off Joshua trees. California ...

Sept. 22 is the first day of autumn and some of our trees are beginning to show it. We tend to associate fall colors and ...

But this year, some of the most colorful displays could be in the Midwest. AccuWeather, the commercial forecasting service, ...

Leaf peeping — the act of traveling to witness nature’s annual kaleidoscope — contributes billions of dollars to the economy, ...

We know that purple leaf plum cannot handle the heat in certain locations, particularly south and west exposures.

Beech leaf disease is caused by a microscopic, invasive worm called a nematode that damages the tree’s buds and leaves.