Since 2017, Ethan Arnheim has maintained a website critiquing the Sheldon Solow Foundation’s tax-exempt status, though it does not provide public access to its $500m art collection

Candice Breitz, Chika Okeke-Agulu, Ghada Amer and Athi-Patra Ruga all spoke out against the duo on social media

The Hartwig Art Foundation's institutional space will be run by Beatrix Ruf, the former director of the Stedelijk Museum

An in-depth interview with the artist on his cultural experiences and greatest influences, from Salvador Dalí to Maria Lassnig

The Guangdong Times Museum in Guangzhou will shut its exhibition space on 9 October

Pinacoteca Agnelli art complex, housed in former Fiat factory, launches with Sylvie Fleury show and Picasso display

Ambitious new gallery Hakanto Contemporary sets out to boost art scene of island nation—but with many of its residents experiencing the effects of devastating floods, is culture really top of their list?

Institution will house Petr Aven’s collection of Russian and Latvian fine and decorative art

Gearing up for 2023 opening, Lucas Museum adds works by Frida Kahlo, Robert Colescott and Artemisia Gentileschi to filmmaker's Norman Rockwell trove

Plus, the rise of private museums and Renaissance portraits at the Rijksmuseum

In this adapted excerpt from her new book, The Rise and Rise of the Private Art Museum, Georgina Adam examines the motivations of collectors who founded their own art spaces

Planning application for Melbourne businessman Lindsey Hogg’s Rosemaur Gallery has international support but faces local opposition

Two decades since the billionaire started planning a home for his collection in the French capital, the spectacular space is due to open on 23 January

Planning permission has been submitted for a building in the grounds of Dodington Park

Founded by Michael Xufu Huang and Theresa Tse, the X Museum opens in the Chinese capital this weekend after Covid-19 delay

As museums remain on lockdown in China, we reveal the full extent of the crisis for both state and private institutions and their innovative short-term solutions

Ukrainian institution says the 28 guides were dismissed to make way for innovation

Arkansas private museum’s cross-disciplinary new venue shines a spotlight on contemporary American art, from performance to cooking

Joint exhibition programme under way between Shanghai and Los Angeles will soon involve Qatar Museums

The art foundation, which has closed its doors, was never more than the shell of a museum

Dream museum of collectors Basil and Elise Goulandris brought to life almost three decades after original proposal

Investigators find paintings and rare books missing from private museum belonging to banker Alexei Ananyev accused of alleged financial crimes

Wizard of Oz vision inspires new $15m contemporary art centre in San Antonio designed by David Adjaye

The refurbishment of the Bourse de Commerce space, designed by Tadao Ando, costs $170m

Burgeoning private museums offer cause for hope among economic uncertainty and geopolitical turbulence

Kistefos's dramatic new exhibition gallery also functions as a panoramic bridge

Private museum is due to open a new venue in capital's historic Longfusi area

Hasso Plattner also plans to put his Impressionist works on permanent display in his Barberini Museum

The reborn oil tanks host shows by teamLab, Adrián Villar Rojas and assorted Chinese artists