the Italian government closes the Leaning Tower of Pisa, sparking outrage by Pisan officials, who fear the loss of tourist revenue and the resulting impact on the local economy. The closure was ...

It's enough to give a monument an identity crisis. The Leaning Tower of Pisa is known worldwide for its precarious tilt - but now experts have revealed it's going straight. The tower's ...

A young Galileo is perched atop the Leaning Tower of Pisa. He is in the middle of his famous experiment—the one in which he shows, by dropping cannonballs of different weights, that all objects ...

Oh, the Leaning Tower of Pisa — so touristy and yet so fun. Each day, hordes of visitors come to the small northwestern Tuscan town of Pisa to take pictures "propping up" its tower. Some do it ...

Have you ever wondered if the Leaning Tower of Pisa is a catastrophe waiting to happen? In this one-minute video, Ask Smithsonian host Eric Schulze explains how architects and engineers spent the ...

That's the premise behind Galileo Galilei's Leaning Tower of Pisa experiment, a classic thought experiment in the field of dynamics. (Credit: Larry M. Silverberg) In the Leaning Tower of Pisa ...