In London, low estimates and favourable exchange rates boost contemporary profits… but at the Italian sales, fewer stand-out lots bring results down from last year’s high

Female artists lead sections curated by Jens Hoffmann and Pablo León de la Barra

Stricter provenance laws and turmoil in Turkey did not dampen spirits at Sotheby’s and Christie’s

The grand dame of art fairs takes over the whole Armory building

Fair grows bigger with new performance art section and sculpture park

Case between collector and dealer over a sculpture damaged in transit becomes a legal saga

As the Italian-American’s historical importance is reassessed, curators play catch-up with his later works

Why a weaker pound is unlikely to give buyers a Frieze bonus

In her new book, the Venezuelan-born collector Tiqui Atencio talks to her peers about how they developed their tastes for buying art

Gallery shows from the decade will be recreated in Regent’s Park

Late architect and designer a longstanding supporter of fair and jury president

New Christie’s boss shrugs off Brexit challenges

Salerooms keep sourcing strong collections as auction season kicks off

Fakes scandals and threat of terrorism just some of the problems faced by the Paris art fair’s organisers

The software has the potential to improve transparency, copyright and ownership issues

Fair returns after seeing off its longer-established rival Viennafair

Our pick from this week's auctions in Paris and New York

Our pick of highlights from the week's auctions and art fairs

The country is in the doldrums, but its artists have never before enjoyed such critical acclaim abroad

MCH is expanding its portfolio by investing in existing regional art fairs