The bust of Napoleon Bonaparte has been authenticated and is due to go on loan to the Philadelphia Museum of Art

New show at Turner Contemporary brings together artists who both once lived in seaside town

From John Akomfrah’s video on the threat of climate change to Nick Goss’s paintings of a great flood via Katharina Grosse’s paint-splashed walls

A New York gallery show and new publication draw fresh attention to little known collaboration between the fashion photographer and African-American writer

What will happen when the only painting in private hands by the Renaissance master heads to auction? Plus: the New Museum's big new show on gender, and our literary editor talks 18th-century princesses

New 500 sq. m column-free gallery makes space for performance art

Artist unveils his “black site” installation in Yorkshire as Guardian article reveals the suffering of prisoners shackled in dungeons in Afghanistan and Thailand

Visitors to war photojournalist Karim Ben Khelifa’s project experience the humanity in people on both sides of conflicts

Fictional museum booth will be re-staged at Firstsite gallery after drawing crowds at Frieze, where the gift shop raised £10,000 for UK regional museums

German design survey has opened alongside Deutsche Bank collection exhibition in beleaguered state

Major loans from New York will be shown in both cities while the US institution adds one-third more exhibition space in Manhattan

An exhibition on post-war art proves a little too ambitious

Exhibition including 124 works is largest in Europe and America in almost 30 years

The Getty Foundation-backed series of exhibitions across Southern California this year looks at the cultural crosscurrents between Latin America and Los Angeles. Here, we offer capsule reviews of some of the most significant exhibitions

Lygia Clark’s spray gun painting is complemented by a survey of radical Latin American female artists

The unlikely friendship of Dalí and Duchamp is explored at the RA, while Superflex turn Tate Modern into a playground

Artist’s profile is raised at Frieze Masters and in two exhibitions

The mysterious Scythians—tattoos and all—are brought to life in show at the British Museum

The Brooklyn Museum will be the final venue for the internationally touring retrospective, launched in 2013

Artist made 60m-long mural at Store Studios in "a couple of hours"

Artist’s many influences explored in scholarly exhibition comprising more than 100 pieces at the Barbican

2018 award goes to Lawrence Abu Hamden

The artists’ proposals range from videos of a talking earth and sun to a functioning hair and nail salon

From Superflex’s playground at Tate Modern to a major Basquiat survey at the Barbican

Installation developed by Clare Twomey explores issues around collective labour

New North and South initiative encompasses eight exhibitions and includes artists Raqs Media Collective and Waqas Khan

Debut exhibition at Blain Southern gallery in London is about the role of violence

Frederic Burton spent late career acquiring some of museum’s best-known masterpieces

For nearly half a century, Jacob El Hanani has been composing obsessively detailed drawings using a Rapidograph pen, typically employed by architects

The Chicago-based artist is selling bottles of water for a good cause