Scholars and heirs are divided over bronze editions attributed to the British-Mexican Surrealist’s final years

With the Royal Academy the only UK institution now teaching connoisseurship, too many students of art history are missing out on learning an important skill

The painting previously sold at Christie’s for £254,500

Experts have criticised the exhibition at the Musée de La Vie Romantique for presenting works as autograph with little evidence

Ecce Homo work goes on show at Madrid museum but some critics disagree with new attribution

Numerous scholars endorse recently attributed piece depicting Jesus in a crown of thorns

Following the death of universally acclaimed Rembrandt scholar Ernst van de Wetering, attribution of the artist is in flux

A European private collection asked the Swiss company Art Recognition to authenticate the piece

As a major exhibition on the Dutch Old Master opens at the Rijksmuseum in Amsterdam, a divide has emerged among specialists over the total number of autograph works

Layers of earlier well-meaning but overzealous restoration work had obscured the Old Master’s hand—until now

Rediscovered work is a preparatory study for the Battle of the Milvian Bridge fresco displayed in the Vatican’s papal apartments

Connoisseurs and app makers agree on one thing: artificial intelligence-driven apps may supplement but do not replace the human eye and expertise in assessing a picture’s authorship

The Biblical painting will be shown at Moretti Fine Art gallery in Paris

Research for a forthcoming exhibition at the Legion of Honor museum has led a curator to add three new entries to Botticelli's oeuvre

As the "unmissable" show opens at the Rijksmuseum we talk to the curators, the museum's director and artist Alvaro Barrington

Organisers of Gallerie d’Italia show have given full attributions to four works on loan from public and private collections in the US and UK

New additions to Old Master's canon go against a recent analysis conducted by Washington D.C's National Gallery of Art

Unveiling of an early 17th-century painting has caused a stir—but what does the evidence say?

The work, which could become the second-most expensive by the painter at auction, failed to sell in 1998

Plus, Joan Mitchell and Claude Monet at the Fondation Louis Vuitton and England's Tudors head to New York

Georgina Adam and Mark Hollingsworth investigate a troubling case of serial reattributions, showing how easily scholarly “opinion” translates into financial fact

A thousand documents and sketches from the Barry Joule collection to be deaccessioned by London museum over attribution doubts

Formerly attributed to “the school of Michelangelo”, experts now say the nude sketch is by the master's own hand

A project led by scientists at Case Western Reserve University uses machine learning to identify a distinctive ‘fingerprint’ in each artist’s way of applying paint

Podcast reveals extraordinary tale that involves the famous writer, the drugs lord Pablo Escobar and a National Football League player, who tried to sell the work at Art Basel in Miami Beach

Publication for Mona Lisa show puts the painting in category of works that are attributed to, or authorised or supervised by the Renaissance master

We often overlook gaps in provenance, or disagreement between experts, simply because we want to believe in fairytales

A scientific analysis and conservation effort unveiled signature brush strokes and other marks of the master

This weighty tome looks at the life and work of the Italian sculptor Giambologna but focuses on the contested bronze

French expert Marc Restellini claims substantial modifications to Italian painter's 1915 portrait of Beatrice Hastings were not mentioned by Christie's when the picture was sold—twice