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

Here are five signs of seasonal change to look out for. Autumn brings a riot of colours and changes as both animals and humans harvest food for the winter months. Deciduous trees are losing their ...

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 ...