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

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

Advanced digital imaging reveals a portrait of an unknown man beneath "Ecce Homo," an oil painting by renowned Renaissance ...

X-ray and infrared imaging has revealed a long-hidden painting beneath "Portrait of Mateu Fernández de Soto," providing ...

Experts analyzing the painting have several theories about why this unidentified woman has remained submerged for more than a ...