Red chalk preparatory work may be linked to “Worship of the Brazen Serpent” section of Vatican masterpiece

The German-born conservative pontiff, a noted theological scholar, tried to accommodate contemporary art but became a subject of satire

My heart-stopping research saga to find out if Dorotheum’s part-painted cartoon by a "follower" was in fact a sleeper

The Columbus Museum of Art’s exhibition of the six historic Dresden tapestries belatedly commemorates the 500th anniversary of the Italian master’s death