Frida Kahlo: Her brand has quickly spread from cult to cliché

Even the venerable and conservative Louvre is exploring various fundraising novelties, says Michael Prodger

Michael Prodger on the artists who make huge sums for painting the US flag

Tate Modern gets itself in a terrible tangle over a cancelled show

Works by Michelangelo, Velázquez, Rodin, Rothko and Mondrian have all been vandalised for reasons of mental instability or political activism or both, informs Michael Prodger

Raphael, as dedicated a lover as he was a painter, died at 37 at the height of his powers and fame, illustrates Michael Prodger

The Gurlitt affair looked as if it might be unpicked but it has proved intractable

Michael Prodger says deaccession has been given tacit approval abroad

A unique art exhibition awaits an audience

Is this the end of the Elgin Marbles debate?