Every autumn we revel in the beauty of the fall colors. The mixture of red, purple, orange and yellow is the result of chemical processes that take place in the tree as the seasons change from summer ...

There’s no denying it, as much as you may want to - summer is officially over. While that means long days in the sunshine may be behind us, another spectacle of a season is in full flow.

Next to 'why is the sky blue' and 'where do babies come from,' 'why do leaves turn color in the fall' might be the most frequently asked question about nature. Next to 'why is the sky blue' and 'where ...

Aspen leaves typically appear heart-shaped or nearly round and are known for their brilliant golden color in the fall. Sassafras leaves can have multiple lobes, sometimes giving them a mitten-like ...