Divide any circle’s circumference by its diameter and you get pi. But what, exactly, are its digits? Measuring physical ...

While building a simpler model for particle interactions, scientists made a sleek new pi. Representations of pi help scientists use values close to real life without storing a million digits. The ...

A nearly 400 year-old formula for pi has been spotted in a quantum-mechanics formula for the energy states of the hydrogen atom, according to researchers in the US. Derived by English mathematician ...

Uncover the surprising connection between Ramanujan's pi formulas and the universe. Learn how his century-old math helps explain turbulence, black holes, and more.

While most people associate the mathematical constant π (pi) with arcs and circles, mathematicians are accustomed to seeing it in a variety of fields. But two University of Rochester scientists were ...

For the 30th anniversary of Pi Day, Google went there. It made a Pi-themed Google Doodle out of, yep you guess it, pie ingredients. Hilarious. SEE ALSO: Virginia Woolf gets a Google Doodle of her own ...

A Pi Day like this won't come around for another century. — -- Circle around, math fans. There's a once-in-a-century Pi Day coming this weekend. The day that celebrates the mathematical constant ...

Why a “100-year-old” formula matters at the edge of a black hole At first glance, it might seem absurd that a “100-year-old” set of formulas for pi could tell us anything about black holes, the most ...