Math fanatics from all around the world and everyone else who just loves ancient Greek pi (or pie) celebrate on March 14.

Indiana’s senate didn’t vote down the bill. The state senators did, however, agree to postpone it indefinitely. Had it not ...

WEST PALM BEACH, Fla. (AP) — Math enthusiasts around the world, from college students to rocket scientists, celebrate Pi Day, ...

Pi Day was first celebrated in 1988 at San Francisco's Exploratorium, a museum of science and technology that encourages visitors to be hands-on.

Not matter how you slice it, March 14 has something for everyone. The national holiday has been celebrated for decades now, since the late 1980s, thanks to a San Francisco physicist. Larry Shaw, also ...

When is National Pi Day 2025? What to know about Pi Day activities for kids, songs, movies, jokes, deals, snack ideas and more.