The Fibonacci sequence is a set of steadily increasing numbers where each number is equal to the sum of the preceding two numbers.

The Fibonacci Sequence Is Everywhere—Even the Troubled Stock Market The curious set of numbers shows up in nature and also in human activities.

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.

After dividing 1 by 999-quattuordecillion (a number that’s 48 integers long), you get the Fibonacci sequence presented in neat, 24-digit strings. Here’s why that happens. As a quick refresher ...

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

Fibonacci Sequence in Hurricane Rita It's not difficult to see the pattern in Hurricane Rita as it approached the Louisiana and Texas shore on Sept. 23, 2005.