Photograph of a fancy-dress party taken by Cecil Beaton
©Cecil Beaton

Snapshot: ‘Ashcombe Fête Champêtre’ (1937), Cecil Beaton

The images on display span decades, from a ‘medieval’ pageant in 1927, to the British photographer posing in 1968 with his camera on a bridge

Detail from an untitled work by Sigmar Polke
©Alex Jamison

Labyrinth of excess

The startlingly diverse career of Sigmar Polke, Germany’s ‘Warhol with politics’, is dragged into focus at MoMA in New York

‘Zulma’ (1950) by Henri Matisse
©Succession Henri Matisse/DACS 2014

Matisse: The Cut-outs

Tate Modern’s new show of the artist’s late works is a visually stunning triumph, writes Jackie Wullschlager

Ukraine tensions cast shadow on art world

Russian-EU chill causes jitters ahead of UK auctions

Bristol spat over Banksy artwork resolved

Youth club had removed artwork in an attempt to raise funds

Retouching and construction work in the facsimile of Tutankhamun’s burial chamber
©Alicia Guirao/Factum-Arte

Fit for a king: Tutankhamun’s chamber

Almost a century after its discovery, the burial chamber of Tutankhamun is being recreated in the Egyptian desert. Peter Aspden reports on the technical revolution that has made it possible and how a new age of ‘facsimile tourism’ could help preserve many more of the world’s antiquities

Azadeh Akhlaghi’s ‘Mohammad Mosaddegh 5 March 1967’ (2012) recreates the funeral preparations for the Iranian prime minister overthrown by a coup in 1953 and held under house arrest until his death

Burnt Generation, Terrace Rooms, Somerset House, London

An insight into the bold, dynamic world of Iranian photography

‘Overture’ (1992) by Helen Frankenthaler
©ARS, New York/DACS, London

Making Painting: Helen Frankenthaler and JMW Turner, Turner Contemporary, Margate

The artist’s first UK show since 1969 is a coup for Margate

Southern discomfort

Black America’s conflicted relationship with Dixie is explored in a Harlem exhibition that mixes the homespun and the rarefied

Art piece made with rocks
©Courtesy of Casas Riegner

From ‘holocaust’ to hope

The Colombian art scene shines after years of ‘biblical holocaust’