Roles in flux as patrons establish private museums and foundations or work directly with artists

Swiss artist Raphael Hefti borrowed state-of-the-art milling machine to carve works

Artist and teacher Michael Craig-Martin’s insightful and entertaining memoir provides sage advice to younger artists

Los Angeles institution gained $22.5m last month as endowments grow thanks to sale of artists’ gifts

Melik Ohanian’s piece, originally commissioned for the Sharjah Biennial, can be seen in Unlimited at Art Basel

Georges Adéagbo is due to have a show at the Israel Museum in January 2016

Work will replace a fresco painted by Osmar Schindler in 1910 and badly damaged during the Second World War

Zoodram 5 (Recollection) is being jointly acquired by the Los Angeles County Museum of Art and the Philadelphia Museum of Art

Gallery partner says the Italian Modernist sculptor is less known outside of Europe

The hanging sculpture was previously owned by the New York-based patron Agnes Gund

Bearded and berobed figures inspired artists including Schiele and Beuys

The late Belgian poet and conceptual artist is due to get his first US retrospective since 1989 at MoMA next year

Surrealism comes to K11 art space in move to promote understanding of intellectual property rights

Artists seek similar tax incentives for donating works to museums and auctions

Book tells of Nadia Plesner’s three-year battle to clear her name after luxury fashion company took offence at her drawing of a designer bag

Painting lives on, but the critical terms stagnate and slacken, the art historian says

He was one of the leading artists of 18th-century Italy, but confusion has reigned over precisely when the Venetian painter arrived in and departed from this world. Here, a researcher reopens—and closes—the case<br>

Anna Somers Cocks is charmed by the story of Mr B, accompanied by a donkey and a stout umbrella

Collection of politically inspired works by artists from the Congo on the market