Could Leonardo da Vinci have drawn a nude version of The Mona Lisa? Art experts say that is entirely possible. This charcoal drawing, titled the Monna Vanna, is now thought to have at least been ...

Leonardo da Vinci’s Mona Lisa continues to fascinate art observers with its compositional secrets. Recently, a scientist by the name of Pascal Cotte discovered a never-before-seen sketch beneath the ...

Over the past month, scientists at the Louvre have been carefully examining a 16th-century charcoal drawing of a nude woman known as “Monna Vanna,” long attributed to the studio of Leonardo da Vinci.

A new high-tech study of Leonardo da Vinci’s Mona Lisa suggests that the Renaissance master created the painting using a previously unknown preparatory sketch. The faint traces of a charcoal ...

Art experts may have solved a riddle that has been baffling them for years: whether a drawing of a nude woman, bearing a striking resemblance to the Mona Lisa, is a Leonardo da Vinci original.