Sphere announced the winners of its XO Student Design Challenge, with the winning artwork displayed just off the Las Vegas Strip.

The winners of the Third Annual Sphere XO Student Design Challenge had their artwork displayed on the massive screen, more than 100,000 students were invite to create Pi Day art.

Choose from delicious deals on pies, a nerdy comedy show, pie-inspired art classes and more to honor the mathematical constant and America's classic dessert on March 14.

Every year on March 14 (3/14), Pi Day is celebrated by many restaurants and grocery stores with deals on dessert pies & pizza pies! Read on for the list of tasty offers for 2026.

Today marks National Pi Day in the United States and around the world. The holiday commemorates a timeless symbol beloved by many in mathematical and scientific communities, while making the most of ...

SAN FRANCISCO -- Every March 14, mathematicians, scientists and math lovers around the world celebrate Pi Day, a commemoration of the mathematical sign Pi. That's because the date written numerically ...