They are found everywhere in nature, from the shapes of mountains and coastlines to the branching of trees and veins in ...

For decades, cosmologists have wondered if the large-scale structure of the universe is a fractal: if it looks the same no matter the scale. And the answer is: no, not really. But in some ways, yes.

In May 2015, the University of Cambridge unveiled a strange white structure shaped like a futuristic Christmas tree. The occasion was the 100th anniversary of the Sierpiński triangle, a type of ...