Researchers may have found the hidden tunnels beneath a castle in Milan that Leonardo da Vinci sketched in 1495.

Researchers have discovered a network of underground passages at the Sforza Castle in Milan, Italy. These passages, sketched ...

An underground tunnel network long rumored thanks to drawings by Leonardo da Vinci under Milan’s Sforza Castle are proven to ...

A series of underground passages have been found under Sforza Castle in Milan by experts at the city's Polytechnic University ...

Leonardo da Vinci’s sketch of a tree illustrates the principle that combined thickness is preserved at different stages of ramification.

Trees depicted in the artwork of famous painters like Leonardo da Vinci and Piet Mondrian follow the math behind their branching pattern in nature, a new study says. At such a critical moment in US ...

There's a hidden drawing underneath the "Mona Lisa" — and it shows that this masterpiece almost looked very different.

Under the Sforza castle in Milan, long forgotten underground passages have been revealed thanks to modern technology. These structures, described in Leonardo da Vinci's sketches, shed light on a ...

The math that describes the branching pattern of trees in nature also holds for trees depicted in art—and may even underlie ...

A lost sketch by Leonardo da Vinci has led to the discovery of hidden tunnels beneath Sforza Castle, revealing secrets buried ...