"Picasso often reused his canvases at this time because he did not have much money," the institute explained Historians recently made an unexpected discovery while examining one of Pablo Picasso’s paintings.

X-ray and infrared imaging has revealed a long-hidden painting beneath "Portrait of Mateu Fernández de Soto," providing researchers with new insights into the artist's blue period

Under the painting of a Spanish sculptor is the outline of a woman, according to new infrared images. The artwork will be displayed in London.

A portrait of a mystery woman was found under one of Pablo Picasso’s earliest Blue Period paintings, revealed using imaging technology. Courtauld Institute of Art conservators took x-ray and infrared images of the 1901 painting “Portrait of Mateu Fernández de Soto‚” a portrait of Picasso’s Spanish sculptor friend.

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

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

Conservators at London's Courtauld Institute used x-ray and infrared images to reveal the previously unseen works

Art historians studying a painting by Pablo Picasso have uncovered the mysterious portrait of a woman, hidden beneath its surface.