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

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 ...

"Picasso often reused his canvases at this time because he did not have much money," the institute explained Historians ...