It’s that time of year again: the trees are turning brown and shedding their leaves, pumpkin is on the ... We’re saying goodbye to summer and hello to autumn. If you speak the Queen’s ...

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 ...

The physical signs of fall begin when the leaves change color and start to fall from the trees. This transformation is triggered by shorter daylight hours and cooler temperatures. The process of ...

Leaves change colors in autumn as chlorophyll production slows due to shorter days and cooler temperatures. As the green ...

Autumn is rapidly approaching ... and in Britain oak leaves are falling a week later than 30 years ago. Fall is not an exclusively US term. The word "fall"– short for "falling of the leaf ...