The stunt cleverly tested—and demonstrated—a new dimension in which performance art can gain traction today: as content.

The viral video was not, in fact, the discovery of a painting which was stolen in the still-unsolved Isabella Stewart Gardner ...

Despite a groundbreaking ten-million-dollar reward, in three and a half decades, none of the stolen art has been recovered.

Yet “The Book of Esther in the Age of Rembrandt,” a delectably wonky show at the Jewish Museum in Manhattan, explores a little-known chapter in art history when artists of the Dutch Golden Age ...