Sketches in Leonardo da Vinci's Codex Forster I appear to show tunnels leading from the castle. Ground-penetrating radar ...

Raphael and Dürer struck up a long-distance friendship when they were at the peak of their popularity, living over 600 miles ...

Researchers have discovered the existence of a secret network of underground tunnels beneath Sforza Castle in Milan. Tunnels ...

TheWrap magazine: "There’s a way in which Leonardo reminds me of the 'Millennium Falcon' going to light speed — that energy ...

The Ugly Duchess by Quentin Matsys is an influential painting that has many theories surrounding its intention and meaning.