“What is often described as the ‘undue’ influence of collectors and dealers is less of a threat than the noticeable tendency for these parties to lose interest in public institutions”

Gallery director says private sector must be courted, not alienated

Médecins Sans Frontières will get millions from the sale

Meet the collector opening a James Turrell museum in the Andes

Complaint says work could lose $3m in value as a result

The London-based Russian billionaire has bought the record-breaking works; he has not previously been known to collect art

Dealers are growing increasingly wary of do-it-yourself institutions

Helping young collectors to find the right gallery

The Middle Eastern contemporary artist discusses the state of the art market, his commercial success, and what it’s like to work in Iran

Director says moving the pieces, installed by the artist, would be a “catastrophe”

Roberto Bilotti has restored an 18th-century palace and plans to open an “art chapel”

Kaldor has donated work by Rauschenberg, Christo, LeWitt, Koons, Judd, and Gursky, among many others

And the highlights of their collections

Funded by Shelby White amidst controversy regarding the provenance of her personal collection

Museums should beware of being used as marketing tools by collectors

Vladimir Nekrasov has been charged with corporate tax evasion

Indian collectors are starting to buy contemporary art by their compatriots

The proposed museum will open at Baden-Baden in the autumn

Anupam Poddar and his mother Lekha have assembled a collection of over 7,000 works of art

A Léger and a Basquiat belonging to Edemar Cid Ferreira have been identified

Petter Olsen plans cultural complex outside Oslo

Maja Hoffmann wants to hire Frank Gehry to design her gallery

White's restitution of the illegally excavated objects is a first for the US

Jyte Dresing has loaned eight works to Copenhagen's Arken Museum of Modern Art

Rules change for non-domiciles

Most of the buyers were American private collectors and large-scale installation works were popular

Artist Chuck Close is curating the inaugural show this month

Sculptor says collector made too many editions

John Harris investigates the mainly US market for parts of European buildings

Walsh, described as “every casino owner’s nightmare”, owns around 1,300 antiquities and 300 contemporary works