Collection remains vulnerable to rising waters until a planned superstore outside Paris opens in 2019

Liu Yiqian and Wang Wei are rapidly buying art to fill their growing museum empire

Dutch institution’s holdings have expanded to include works by Wolfgang Tillmans and Cosima von Bonin

Star Wars creator is now looking to California for a space to house his art collection and memorabilia

OMA-designed Pierre Lassonde pavilion opens in the Parc des Champs-de-Bataille

Museums are using market research to engage audiences and avoid gaffes, but the process could rule out all but the famous and the safe

Objects were evacuated to higher ground as heavy rains cause serious threat of flooding

New venue has roughly the same exhibition space as its former midtown site, but offers easier public access in a more art-friendly location

The former head of Nice museums will run the northern satellite branch on a five-year contract

Controversial ethnographic museum was a grand project of the former French president

MoMA, the Met and the Brooklyn Museum are planning to reduce staff numbers to help balance the books

Museum’s new building opens with ambitious survey ranging from Brancusi to Bruce Nauman

Frances Morris explains the strategy behind the split in the collection displays, and the raw nature of the galleries that will house the Tate’s now genuinely international collection

From Basel's finest to the Broad, the institutions that set an example

Take a look inside the London museum's Herzog & De Meuron-designed pyramid, before it opens to the public on 17 June

Alexander Calder’s grandson picks his favourite works in the artist’s joint show with Fischli/Weiss

Arguably the museum that most immediately suffered from Tate Modern’s success was its sister institution upriver

From El Anatsui's splashy tapestry, to Cildo Meireles's tower of radios, to Kader Attia's couscous citadel

The acquisition of works for the museum’s collection is supported by a wealth of global patrons

Deregulation in London’s financial markets, and new money looking for a home, helped to make contemporary art a much-prized commodity

The dealer-turned-philanthropist tells us about his decision to offer his collection to Tate and the National Galleries of Scotland

In emphasising architecture and spectacle, jettisoning chronology, pursuing diverse audiences and attracting private money, Tate Modern is the quintessential contemporary museum

Works at Art Basel and beyond aim to stir the conscience and raise funds in aid of the “biggest challenge of our time”

The architectural competition for Tate Modern teemed with starchitects, and some eyebrow-raising designs

Conceived in a pub in 1978, the Neca listing has widened interest in contemporary art far beyond Cork Street

Anne Teresa de Keersmaeker and Doris Salcedo tell us about their projects for the Turbine Hall

What can we learn from analysing Tate Modern’s exhibitions amid the wider London art scene?

Tate Modern’s signature post-industrial space has prompted some of the most memorable works of recent years. Here are some highlights