A new exhibition at the Saatchi Gallery demonstrates how unpromising materials such as old fast-food bags and stained newsprint can be transformed into art works of breathtaking beauty, says Adrian Hamilton

Propaganda has become a dirty word but it remains a much-employed tool, as this provocative show proves. Posters, films, cartoons and tweets expose the mind-boggling ways in which states from over the world have tried to exercise their powers of persuasion in the 20th and 21st centuries.

For no good reason, Tate Britain has decided to show a retrospective of Patrick Caulfield alongside a general review of the work of Gary Hume. It’s a comparison that does neither  artist much favour.

When Marc Chagall arrived in Paris in 1910, the art world was buzzing with Cubism and the thrilling works of Cezanne, Van Gogh and Matisse. A new exhibition at Tate Liverpool shows how the Russian painter blossomed with it

There are just two dozen works in this superb exhibition, but each is top notch.

Forget the Rijksmuseum, the Holburne Museum is hosting a superb show of 17th-century art from the Netherlands, including two ravishing Rembrandts

An intriguing new exhibition at  the British Library shows how  state propaganda has inspired  some of the most provocative and visually powerful images of the  past century. By Adrian Hamilton

Ahead of a major show that promises a radical rethink of an artist who divides critics, Adrian Hamilton wonders why it has taken so long

YBA Michael Landy’s show Saints Alive at the National Gallery draws on details of the torture of the martyrs represented in masterpieces of the Renaissance. And the result, says Adrian Hamilton, is fascinating

Showcasing work from 46 artists living in or attending social welfare establishments across Japan, the curator Shamita Sharmacharja's exhibition highlights the pleasure that creativity gives the patients.