Lifelong activist was “one of the truly radical artists of the 20th century”, says Hans Ulrich Obrist

Van Gogh expert upset after essays dropped from French catalogue amid ongoing dispute over newly discovered sketchbook

Head of Musée de l’Orangerie replaces Guy Cogeval who will run an affiliated research centre

More than 100 artists have donated works to the Jerusalem-based institution

Permanent installation revealed at the Aishti Foundation in Beirut

Project marking centenary of Russian Revolution aims to highlight "potency of symbols in post-truth world"

Open Inheritance Art project aims to uncover items that should be publicly available through tax-relief arrangements

Objects drawn from the National Museum of Iraq will be shown alongside works by Modern and contemporary artists

Tacita Dean, Ed Ruscha and Frances Morris sign-up in support of the Hands off our Revolution movement

German photographer is also creating a new series of pro-European posters

Inaugural exhibition will include work by Rodchenko, Tillmans and a new Barbara Kruger commission

Revamp of Henry Moore Foundation for 40th anniversary also includes opening of new visitor centre

Figures compiled by the government show a drop in visitors at Tate and the National Gallery

New project proposed by the Emerige group includes an art centre and art hotel

New works draw attention to destruction of Islamic heritage and female car crash victims

Albanian artist creates audio and visual installation on the island of Teshima

Artist Egill Sæbjörnsson says a pair of man-eating creatures will shape the show

Museum sends loans to more than 50 exhibitions as high-tech building gets €100m facelift

Thousand-page publication will document more than 150 artists who have had solo shows since 1967

Korean artist has moved to London, but his Chelsea apartment lives on in monumental drawings

Tate Modern’s show in 2013 brought her abstract sculptures and paintings to a much wider audience

Exhibition also includes works by theatre designer Anna Viebrock and film director Alexander Kluge<br>

US artist will work with Italian prisoners while the French sculptor will set up a recording studio in the Giardini<br> <br>

Three French museum professionals and a Brussels-based director are on the shortlist to replace Guy Cogeval <br>

New film at Canary Wharf will focus on refugee crisis in Europe, while current show in Milan includes topical works from past ten years

Painting is one of two works from the New York museum that Applicat-Prazan will take to major fairs<br>