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 ...

As people celebrate Pi Day this March 14, the mathematical constant continues to be part of everyday life for scientists and ...

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 ...

Celebrate Pi Day and read all about how this number pops up across math and science on our special Pi Day page. Grab something circular, like a cup, measure the distance around the circle, and divide ...

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.

Math teacher Marcus Hung squinted in mock concentration. "3.1415," he said before pausing dramatically and then smiling. "That's about it." Reciting the digits of the irrational number pi is not his ...

Explore the origins of Pi Day from San Francisco's Exploratorium to global recognition, blending math, culture, and pie in a ...

Mountain Mike’s Pizza is celebrating Pi Day with a tasty equation: loyalty members who buy a medium pizza can add a one‑topping medium for $3.14.

Brighton, N.Y. — Monday marked the final celebration of Pi Day for a longtime math teacher at The Harley School.