$450m Salvator Mundi sale too late to be included in new book, The Orange Balloon Dog, but would have filled several chapters, economist says

The newly formed team, led by Assistant District Attorney Matthew Bogdanos, has been cracking down on ancient art dealers and collectors

Price sets a high bar for the auction house's first Impressionist & Modern offering of 2018

Exhibition with charity Outside In shows work by "hidden" artists working outside mainstream society

Japanese billionaire has sent his prized 1982 skull painting on “world tour” after buying work at Sotheby’s last year

Yoshitomo Nara show to inaugurate the new gallery during the week of Art Basel in Hong Kong

Fog Design+Art blurs genre boundaries and Untitled upgrades its venue in a bid to convert Bay Area browsers into buyers

With VR going mainstream, legal questions about copyright and authorship are coming to the fore

Five storey Renzo Piano-designed space will become mega-dealer’s new global headquarters

Order could pave way for Russian billionaire to launch High Court case against Swiss dealer Yves Bouvier and Sotheby’s

Expect more guarantees, an Old Master revival and gallery innovation, says Georgina Adam, art market editor-at-large

The collaborative initiative involving established and emerging dealers is mooted as an alternative commercial model

We survey the top five results in key markets, from Old Masters to Post-war and contemporary

But concerns raised about scant detail on future of the art market after exiting

The Los Angeles artist is creating a new series of large-scale paintings for the show

Set of 12 ink panels by traditional master sell to Chinese buyer at Poly Auction Beijing for RMB931.5m

Self-portrait as Saint Catherine, another woman who resisted, achieves record price for the artist

Second volume of Georgina Adam’s analysis of the art market looks at the darker side of the trade

Former editor of the The Art Newspaper Jane Morris speaks to Georgina Adam about her new book Dark Side of the Boom and the art world's less savoury side

According to a new report, works by female artists are rated lower by wealthy men, contributing to a 50% pay gap at auction

Works by George Grant Elmslie, Umberto Bellotto and Jean Royère

Golden oldies and small-space blues

New £7.3m record for Joseph Wright of Derby painting tops December sales in London

Noteworthy exhibitions at commercial galleries, from emerging names to rediscovered talents

Galleries forced to decide whether to work with artists accused of sexual harassment

Follow our tweets tagged #TANsalestally for a cross section of notable purchases from Art Basel in Miami Beach and the surrounding fairs

With the spotlight on issues of race and gender, one gallery that grew out of 1980s New York has again found its moment in the market

Abdulnasser Gharem’s painting about Sunni-Shia divide was removed from Brigitte Schenk's stand at organisers' request

Our pick of highlights from upcoming auctions