E very year people ask me, "why haven't the leaves fallen yet?" If autumn starts on September 1, then by early November winter should be well on its way. And yet, an amateur photographer who has ...

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 ...

Leaves are changing colors and dropping off the trees in the area. There are many common foliar diseases that continue their life cycle from year to year. A couple of those diseases are ...

Whenever autumn arrives, whether in a blaze of brilliant leaves or with subtle changes in the life cycles of flora and fauna, the season holds a special beauty. Natural-science illustrations combine ...