Who’d have thought that the embarrassingly bad art of Jean Dubuffet could be the subject of an exceptional exhibition?

How did a digital image become the third most expensive artwork ever sold by a living artist? Waldermar Januszczak on the inexplicable rise of ‘non-fungible tokens’

Jan Matejko’s Copernicus was a picture intended to galvanise a nation

The artist’s iPad landscapes seem designed to cheer up the nation

This action-packed exhibition reveals another side to the British artist

Rodin’s casts buzz like bees, with a restless and temporary spirit — the best settle into the monumental and still

Finally we will be able to see how jaw-droppingly beautiful they are

Here we go again. Another year, another ludicrous, unfair and undemocratic Turner prize shortlist.

Rondinone’s blue horses show a yearning for a lost past

The Threadbare show is an intriguing window on the contemporary world — from a woman’s point of view