It's that time of year again. Fall, when the leaves turn color and the Yankees turn into spectators. At least one of these is enjoyable. A lesson on the chemistry of colorful leaf pigments shows that, ...

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 ...

When the air becomes crisp and the leaves start to turn, it only means one thing: Fall has arrived! Don't get us wrong, we love the bright green hues that grace the treetops throughout the spring and ...