March 14 is Pi Day, an annual celebration of the mathematical constant of pi, representing the ratio of a circle's ...

Day, a celebration that San Francisco’s Exploratorium invented back in 1988 that has become an international sensation.

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 ...

Exploratorium employees say this year’s Pi Day — the annual March 14 celebration honoring the number and its associated Greek ...

Turn your eyes to the skies this spring at Look Up: Eclipse, Moon, and Mars at the Exploratorium. Enter for your chance to win a Family Explorers Membership and a $50 museum store gift certificate!

Pi (π) is a mathematical constant that represents the ratio of a circle's circumference to its diameter. It's an irrational ...

Art, science and technology bend the boundaries of perception in dazzling, immersive installations in the Exploratorium’s annual “Glow” exhibition on view through Jan. 26 in San Francisco.

Though the Exploratorium appears as if it's designed for kids, travelers say it's a great attraction for all ages. Adults report feeling just as excited and amazed at the galleries and exhibits as ...

While most in New England may be anticipating March 17, Saint Patrick's Day, there's another amore mathematical holiday to celebrate first. Pi Day is celebrated annually on March 14, because its ...

Pi Day, celebrated on March 14 each year, honors the mathematical constant π with plenty of deals on sweet and savory pies, ...