Jose Mugrabi and Antoine Arnault among collectors bidding at "white glove" sale of works by François-Xavier and Claude Lalanne

Bernar Venet’s vast steel arc has been installed on a Belgian motorway

Brighton CCA, run by the University of Brighton, launches with exhibitions on German artist Franz Erhard Walther and south London collective Dog Kennel Hill Project

A different version of the sculpture Unique Forms of Continuity in Space sold at the auction house in 1975 for $41,000

Huge tapestry set inspired by Rubens will also be conserved in the new annex at St John’s Co-Cathedral

Curator and collaborator Hou Hanru says that the late Chinese artist provided “an alternative viewpoint on the world”

The best shows to see outside of Fiac, from a literary contextualisation of Francis Bacon to Kiki Smith's coin collection

Galleries fresh to the 46th edition explain their decision and reveal their early sales

The “art factory” will be a conservation, exhibition and storage space and is expected to open in 2025

Watercolours of water bottles as well as hundreds of discarded bottles from London's streets will be shown at Amsterdam gallery

Tributes paid to key figure of US counterculture whose work was “groundbreaking for its time”

Lobby group warns of crumbling buildings and leaking roofs following “decades of underinvestment”

Visitors had to sign a consent form promising not to post works on social media

Studio Voltaire’s ambitious off-site programme also includes commissions by Monster Chetwynd and Dawn Mellor

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

New Tate curator calls the development "a bold decision" in a "burgeoning field"

Locals hope to prevent historic site "being gutted and turned into luxury flats" as building is put on the market

Ed Ruscha, Yael Lipschutz and Tristan Milanovich have resigned over the decision to launch the sculpture biennial in Al-Ula next year

Curator at newly opened Javett Art Centre defends decision to show drawing by artist who killed a sex worker in Cape Town in 2013

Traditional medium is back in fashion amid looming Brexit

US artist takes on British Empire’s legacy and the Transatlantic salve trade in Tate Modern’s Turbine Hall

Reservations will become mandatory at the world's most visited museum by the end of the year

Many dealers are beginning to look for local solutions to global climate emergency

Launch is latest high-profile opening in the French capital pre-Brexit

New offshoot joins Málaga and Brussels in French museum’s burgeoning international network

Artist’s Californian cloudscape, drawn in chalk, hangs in the Foreign and Commonwealth Office

John Browne is among four new supporters of the award that launches in Margate

Painting of Lucretia has been in a private collection in Lyon for the past 40 years and is estimated to sell for over €600,000

Series of paintings at David Zwirner London are based on crime scene images released by police

Mayor of London’s office says contemporary art series will continue with Heather Phillipson sculpture planned for 2020