Plus, a look into the archive at Larry Gagosian's crabby habits

Activist is among several artists detained in Havana on Monday ahead of planned protest

We asked officials at ten major sites how prepared they were—with alarming results

Officials at the Paris museum want to boost homegrown audiences and draw lower-income visitors

The humanitarian volunteer, held in a Greek jail for more than 100 days, faces charges of people smuggling

Ambitious public art commission to makeover London's bridges is supported by the Blavatnik Family Foundation

Dispute with 'NG27' group—who argue they were unfairly dismissed—could set a precedent for protecting rights of casual workers

Works by Dineo Seshee Bopape and Klaus Weber go on show in the revamped 19th-century neoclassical complex

The Turner prize winner unveils a sculptural piece and projections during the War Requiem oratorio

Nicholas Serota and Norman Rosenthal say that selling off the works is a “grave mistake”

Group exhibition at UK's Nottingham Contemporary looks at activist movements across the world from the late 19th century to the present day

Court decision comes after a wave of protests from cultural and political figures

New £30,000 award goes to the established Welsh artist who has “moved into new territory”

The US and Israel announced plans to leave the international organisation last year

Scholars are divided over whether either of the paintings of Mary Magdalene in Ecstasy—or both of them—are copies

The Turner prize winner will unveil a sculptural piece and projections during the War Requiem oratorio

The artist Kaws is loaning a key work to the survey which includes subway chalk drawings and painted tarpaulins

Planning permission for the installation extended until 2020

Prices for photography tend to be lower than standard art market price ranges but Richard Avedon’s famous Warhol image has a seven-figure price tag

The Belgian curator, who quit the Volksbühne Theatre in April, has been appointed head of the culture body Rmn-GP

City council will cover extra £20m costs for the Rem-Koolhaas designed venue

She replaces Laura Raicovich who stepped down in January, citing differences with the board of the museum

The Turner prize winner's photography project has been likened to Classroom Portraits by Julian Germain

The money will go towards new Holocaust Galleries due to open 2021

High tide may have been prevented by barrier that is still under construction

Gallerist Claude Lemand and his wife France also set up a fund to support the museum

The Al Thani collection to be displayed at revamped Hôtel de la Marine over 20 years, in a deal that will help fund the building’s restoration

UK National Lottery award will also fund a new education centre at the Victorian designer’s 16th-century Kelmscott Manor

Organisers at Bal Harbour show asked Pacifico Silano to remove his images with partial nudity and descriptions referring to pornography

France's president also plans to install Modern and contemporary works at the Élysée Palace