Imagine a horse stumbling on a rock. It regains momentum, then hits bumpier terrain and slows to a walk. Back on steady ...

Add Yahoo as a preferred source to see more of our stories on Google. Color patterns seen in fish and other animals evolved to serve various purposes. Lagunatic Photo/iStock via Getty Images Plus A ...

Nature follows mathematical rules and creates repeating patterns across completely different organisms and environments. These patterns appear so consistently that scientists can predict them, and ...

In the natural world—where predators pounce, prey flee, and group members feed and sleep in solidarity—animal behavior is glorious in its variety. Now, new research suggests there may be an underlying ...

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Mark C Urban receives funding from the U.S. National Science Foundation. The Douglas fir is a tall iconic pine tree in Western North America forming a forest that winds unbroken from the Western spine ...

A thought experiment can help visualize the challenge of achieving distinctive color patterns. Imagine gently adding a drop of blue and red dye to a cup of water. The drops will slowly disperse ...