"Sometimes when trees get really stressed out and overheated, they will produce excess amounts of sap," he added. In short, ...

Chlorophyll is a key ingredient in producing energy from light and is the reason leaves are green. As the days get darker, ...

Chlorophyll, the chemical that allows plants to conduct photosynthesis, gives leaves their green color, but it is not present ...

Columbus — The Ohio DNR (ODNR) Division of Wildlife reports acorn production is running strong for red oak trees, according ...

Fall foliage is slowly starting to peak in the Hudson Valley and other parts of New York. See the maps for the latest timeline.

Don't worry, we're not serious about cutting down the oak trees. But something needs to be done about the isoprene they emit.

A professor of biological sciences at the University of Wisconsin–Milwaukee explains that changing leaves starts with ...

The Maggies Glen Loop is an easy trail at Oak Mountain State Park that just about anyone can enjoy.

As we settle into the fall season in New York City, we need places to escape to see the leaves change and the cute dogs ...

The Bombay Natural History Society’s Butterfly Festival will celebrate its winged inhabitants with edutainment sessions, live ...

The cardinal-colored leaves of vine maples may already be skittering across the ground, but leaf-peeping continues to persist ...

In the 1700s, a young botanist scandalized some by discussing “birds and bees” of pollination, and awarding Latin names to ...