Artists, dealers, advisors and institutional leaders are among the founders of the environmental non-profit’s new chapter

We explore the Tate Modern exhibition. Plus, the Whitney's Jaune Quick-to-See Smith retrospective and a reconstructed Roman gateway in England

Heirs of the dealers who sold the collection of medieval artefacts to the Prussian government claim their case can be heard in US court because the dealers were not German citizens at the time of the sale

Nazem Ahmad, a Lebanese businessman who deals in art and diamonds, has allegedly been involved in moving goods worth more than $440m into and out of the US since sanctions were imposed in late 2019

Plus, how Northern Ireland's museums are marking 25 years since the Good Friday Agreement and an extravagant portrait of a 19th century French actor

Opening during Expo Chicago, the exhibition “Neo Chicago” highlights works in DeWoody’s vast collection by artists with ties to the city, from McArthur Binion and Angel Otero to Amy Sherald

Kyiv-based Voloshyn Gallery is showing works by two emerging Ukrainian artists on its stand at Expo Chicago

Sarr and her husband, Mamadou-Abou Sarr, organise an annual prize that supports emerging French artists and brings one of them to Chicago for a residency

The beloved Chicagoan rapper will present works related to his forthcoming album, Star Line Gallery, at the fair

The fair's forum for curators this year will look not only at issues related to the care of objects, but also caring for staff, visitors, communities and more

Michael Barzman, who formerly ran an auction company that bought and resold the contents of storage lockers, said in plea agreement that he and another man made and sold 20 to 30 fake Basquiats

The artist has been commissioned to create a work for the museum’s main entryway that will incorporate 3D scans of more than 100 objects in the Met’s collection

The gifts given to Thomas or on his behalf include a painting of him and his wife and $105,000 to fund a portrait at his alma mater

The trove of works from Jon and Kim Shirley includes many mobiles and stabiles, and comes with a commitment to fund ongoing programming on the artist

Vaughn is the recipient of the inaugural Frieze Artadia Prize, which will commission a New York-based past Artadia awardee to present a project at Frieze New York

The repatriation comes after a report found more than 1,000 works linked to suspected or convicted traffickers in the museum’s collection

Should Kathy Hochul’s state budget for financial year 2024 come to pass, funds for the New York Council for the Arts will be slashed by $61.7m

Ullens was an important collector of contemporary art and, with her husband Guy, opened the Ullens Center for Contemporary Art in Beijing

Veasey-Cullors, who currently serves as an interim vice provost at the Maryland Institute College of Art, takes the helm of the Manhattan-based photography school in June

While the parties have reached an agreement, the museum says it spent $100,000 on its defence and that the injunction against it sets a dangerous precedent

Noam Segal is the institution's first LG Electronics Associate Curator, a new position in partnership with the Korean electronics giant

The triennial’s sixth edition, scheduled for 2026, will be co-organised by one in-house curator and another from Brazil’s Museu de Arte de São Paulo Assis Chateaubriand

Baca is among the 12 individuals and organisations receiving the US federal government’s top honour for artists and art patrons this year

Plus worryingly low artists’ pay in the UK and an Ugly Duchess

The painting, which belonged to the late playwright Lanford Wilson, was donated to the museum by his Circle Repertory Company co-founder, Tanya Berezin

Nancy Yao, the director of New York’s Museum of Chinese in America, will take the helm at the in-development Washington, DC museum in June

The Los Angeles County Museum of Art says it is now 98% of the way to its fundraising goal for the campaign to construct its controversial Peter Zumthor-designed building

During Weinberg’s tenure, the Whitney built and moved into its new Meatpacking District home, saw attendance increase threefold and navigated a series of scandals

Smith’s exhibition will include works by around 50 living Native artists, including several that have recently been acquired by the NGA

The museum, one of two new Smithsonian museums in advanced planning stages, garnered major support from Walmart heiress Alice Walton, fashion designer Tory Burch and others