Fibonacci developed his theory based on rabbit population growth, but you'll find the golden ratio in everything from flowers to outer space.

Fibonacci numbers are seen in the natural structures of various plants, such as the florets in sunflower heads, areoles on cacti stems, and scales in pine cones.

A Fibonacci sequence is a series of numbers in which each number is the sum of the two preceding numbers. Here, he uses the simple pattern of 1, 2, 3, 5, 8, 13 and 21.

Learn about the origins of the Fibonacci sequence, its relationship with the golden ratio and common misconceptions about its significance in nature and architecture.

Essentially, it's a sequence of numbers developed by the medieval Italian mathematician Leonardo Fibonacci, where each successive integer represents the sum of the two numbers preceding it.

Though the Fibonacci sequence shows up everywhere in nature, these young mathematicians were surprised to find it in the answer to a variation of the pick-up sticks problem⁠—a nearly two ...

Fibonacci retracement levels are horizontal lines that indicate where support and resistance are likely to occur. They are based on Fibonacci numbers.

Most land plants living today have spiral patterns involving the famous Fibonacci sequence of numbers. But an extinct, ancient plant did not.