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

Capture incredible light-painted silhouettes in-camera with a flash and a colorful torch. James Paterson shows you ...

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

One of Pablo Picasso's earliest Blue Period paintings contains another portrait hidden beneath its surface, specialist ...