What can you learn from a tree's leaves? Discover how leaf shapes, edges, patterns, and more can help you identify a tree in the forest.

National Geographic spotlighted its Pictures of the Year in its December 2024 issue. The photos include captivating images of animals, nature, scientific innovation, and landscapes. Photo editors ...

Mathematicians have described 1 a new class of shape that characterizes forms commonly found in nature — from the chambers in the iconic spiral shell of the nautilus to the way in which seeds ...