Despite a lavish, 300-page book and a high-profile presentation, strong doubts remain

Investigators sit neatly on the fence

Possible self-portrait needs urgent treatment for mould and bacteria

The copy by Leonardo's student is the most faithful extant work

Fears it will affect the sfumato of the piece are growing

Experts say the painting was completed at the same time as Leonardo’s original

Where next after Leo-mania?

An exhibition catalogue that is erudite, sound and elegant—but for scholars, not the general reader

The music depicted in Portrait of a Musician, 1485-88, currently on loan to the National Gallery, London, may have been composed by the artist

A new exhibition includes the newly discovered painting, ratifying it as the genuine article

Specialists fear artist’s “smoky finish” effect may be harmed

How the National Gallery negotiated a record eight loans including a long-lost canvas, Saviour of the World

Proof of changes to the composition increases scholarly support

The settlement has not yet been revealed

He suggests using Norway’s oil and gas billions to buy the best for the national gallery

Jeanne Marchig misses out

Fallout from Leonardo case sees London dealers locked in legal dispute

Simon C. Dickinson Ltd is now the owner of Madonna and Child with St Anne and a Lamb, having reimbursed Nasser Kazeminy for the $7m he paid. If authentic, the gallery stands to make a profit, but if not then its value as an anonymous drawing is modest. So where did the drawing come from—and is it the real thing?

A court ruling over commission on the sale of a drawing has revealed a complex web of payments

The Virgin of the Rocks minus fog

Three lawyers and two private detectives are now off the hook

A highly distinguished and expertly organised exhibition

In an unusual move, Sotheby’s has categorised a picture as “infamous”

After five years of research and conservation, Leonardo's masterpiece is once again looking its best

The painting that still languishes in a vault, despite nearly a century of squabbling

Faulty fire sprinkler “rained on” Leonardo’s portrait, reveals former director

The kidnapped statue has now been returned to the museum

For the fourth year the Tokyo National Museum has the highest exhibition attendance, but is only 17th in our list of the most visited museums last year

Celebrating Prince Charles' 60th with 10 of the master's best works

Ninth Duke did not live to see his painting returned