Organisers hail the lure of Buenos Aires as fair looks to build on its growing appeal for international buyers

Part of photographer’s private holdings, built by swapping works with fellow artists, is on show at Photo London this week

The activist Atena Farghadani, who was given a 12-year sentence for her satirical cartoons, reveals the harrowing details of her incarceration

The septuagenarian American artist is currently showing in institution’s landmark exhibition about black female artists

June auction includes a broader range of material than ever before, breaking down traditional collecting categories

Street work showing man chipping away at star on EU flag has already been defaced

The jury panel, chaired by Allan Schwartzman, includes institutional heavyweights Nicholas Serota and Donna De Salvo

As New Yorkers protest against President Trump during his first visit to the city since he was elected, politically engaged art is more prevalent than ever at the fair. Here is our pick of the most topical works

Purchase of Ibrahim El-Salahi’s work builds on recent efforts to diversify permanent collection

Fair “opens the door” to more historical work but maintains its commitment to contemporary

Top names participate for the first time as the ranks of emerging galleries also swell

Paris and Salzburg dealer launches new space with shows by Gilbert & George, Joseph Beuys, Oliver Beer and American Minimalists

London auction includes 60 artists from 14 countries across the continent, with several making their debut

Fine art insurer says future of digital market will be dictated by traditional players, not online-only rivals

Art fair’s outdoor exhibition will be on view from July to October

Bali-based artist first met the former YBA in New York in the late 1980s

Awol Erizku's exhibition at Ben Brown Fine Arts tackles “racism and bigotry” in the US

Christie’s training reveals what it takes to get up on the rostrum

US artist’s first survey in the UK for 40 years will also include key flag and target pieces

Gallery of famous Britons radically expands definition of portraiture with help of Art Fund

London dealer launches space in the former Galleria il Capricorno in May with an exhibition by Chris Ofili

Its companion piece sold for a record £26.7m in 2011

The Austrian dealer will open his London gallery with work by the great German conceptualist, whose auction prices do not reflect his international stature

It’s too early to tell what the impact of New York editions will be as the majority of serious collectors at the fair are still from Europe

“The market is back,” says Christie’s head—but pressure to secure top property is “huge”

Zak Ové’s Moko Jumbie sculptures now stand in the Africa Galleries