This year, we've learned that almost nothing is guaranteed in life. And yet, as summer turns to autumn, one thing that is certain is the leaves changing color.But why do the leaves change color? And ...

Scientists have long questioned whether the vibrant colors of fall foliage serve an evolutionary purpose. One theory suggests red pigments protect leaves from sun damage, allowing trees to absorb more ...

Leaves can be enjoyed for their shade, autumn colors, or taste, and the arrangement of leaves on a plant is a practical way to identify a species. However, the details of how plants control their leaf ...