Created around 1503, the painting—which just sold at auction for $3.1 million—depicts the saint after the crucifixion of Jesus, when she entered a period of repentance ...

"Microscopic observations of the craqueleure of the painting allowed us to document the stratigraphy of the canvas and to ...

It turns out that even history’s most successful artists occasionally recycled their own canvases. A revered religious ...

One of the most written-about Renaissance artists, da Vinci may also be among the most poorly understood.