Now being sold by a London-based collector at Christie's New York, the work will probably go to Japan or China

Estimated at $300m, the sale of American Modernist masterpieces will be digitally encrypted by the blockchain startup Artory

Girl With Balloon canvas ‘self-destructed’ live at Sotheby’s last week in one of the most publicised stunts in auction history

Middle Eastern and South Asian works owned by embattled Dubai-based private equity firm carry much lower estimates than prices paid a decade ago

Today, art history is increasingly being written by dealers and auctioneers to suit their own purpose

The pioneering New York dealer says the art market is a "different world” to when she launched her gallery

Just when we thought Frieze week was all over, twists and turns provide high drama at Sotheby’s contemporary evening sale on Friday night

Shipping firms seek to replace single-use crates

We speak to the director of Paris's Applicat-Prazan gallery about dealers in denial and the pleasures of Pink Floyd

Brexit and Trump's trade war with China are affecting the mood of buyers

Girl with a Balloon (2006) had just hammered at £860,000

Francis Bacon's lighter depiction of George Dyer leads auction at £17.5m, with strong prices for Hurvin Anderson, Bridget Riley and Albert Oehlen

The gallery gene does not normally survive beyond one generation, so how can contemporary art galleries survive their founders and keep their edge?

We talk to the art market specialist Melanie Gerlis about the fair, to Doris Salcedo and Ragnar Kjartansson about their shows, Massimiliano Gioni about the New Museum’s video-art pop-up in London—and Louisa Buck discusses Frieze's special Social Work section. Produced in association with Bonhams, auctioneers since 1793.

Trend follows dealers’ move into Eastern market

Work that challenged male-dominated art world of the 1980s and 1990s on show as UK marks centenary of women's suffrage

A growing number of new investment platforms are touting the concept

Fair focuses on women but market still favours men

The mega-collector’s latest lawsuit, filed in New York, escalates his three-year legal feud with Swiss dealer Yves Bouvier

From Kerry James Marshall's all-new paintings in London to Zoe Leonard's decade-long photo series in Los Angeles, these are the commercial gallery shows to see

South African artists are enjoying a growth in overseas interest, as seen in London this month

Our pick from this week's fairs and auctions

The former YBA has laid off 50 staff and bought a £40m studio in Soho, opening next year

Galleries and collectors praised fair's new location but visitors remain largely German

Exhibitors benefit from the curatorial heft of local art institutions

Exile gallery has moved to Vienna, while Gillmeier Rech closes

The photographer and anti-opioid activist will show works at Frieze and Fiac

With Taiwan tipped as Asia's rising art market power, galleries such as Gagosian and David Zwirner join new fair next January

The success of Tefaf New York Spring this year marked a sea-change