Today marks the 34th annual Pi Day. Researchers at NASA frequently use pi in their calculations while exploring the universe. Test your mathematical mettle with these Pi Day worksheets from NASA.

New quantum mechanics research is introducing an advanced Pi formula, optimizing complex computations and reshaping ...

Editor's Note: To honor math and all who use it, UDaily is re-posting a Pi Day story from 2018. March 14 is Pi Day. You’re welcome to eat pie, too, but the day is more of a celebration of math. A ...

On this most circular of pi days, we present three classic toys -- hula hoops, yo-yo's and Connect Four -- and explore their mechanics with mathematicians and physicists.