Sotheby's employees adjust the painting Portrait by Tamara de Lempicka during a preview of major highlights of Sotheby's New ...

Nearly 125 years after Pablo Picasso painted one portrait, high-tech imaging tools have revealed a secret — another, earlier ...

The 17th-century artist’s likeness of the young Hapsburg, currently on view at the Norton Simon Museum in California, ...

A previously unknown painting by Pablo Picasso has emerged from the shadows of history, hidden beneath a Blue Period ...

A mystery woman, long concealed beneath a work from Picasso's early Blue Period, has been uncovered by researchers, shedding ...

Researchers detected the mysterious figure in the early-blue period painting "Portrait of Mateu Fernández de Soto" (1901).