Scientists have determined how key developmental genes influence growth of cells to produce such differences in leaf form. The researchers were able to make thale cress, which typically produces ...

Leaves in the earliest types of vascular land plants, such as ferns and cycads, are complex, Sinha said. The first flowering plants, or angiosperms, are thought to have had simple leaves. The complex ...

If you have a yard full of fallen leaves every autumn, you’re not alone. Instead of bagging them up for trash day, you can put those leaves to work in your garden. Fallen leaves are more than just a ...

Fall has a way of slowing us down, inviting us outside just long enough to notice the world shifting around us. And if you’ve ever wandered through changing leaves without rushing, you’ve already ...