Wings of desire: how butterflies have captivated artists

From Bruegel to Nabokov and The Silence of the Lambs, butterflies have flitted through our imaginations and into our culture. Patrick Barkham pins up the choice specimens – and finds out why new film The Duke of Burgundy is awash with them

Don’t be sniffy about oil-rich states, Art Dubai funds the world’s most radical art

It’s not all super-yachts and spending binges: Art Dubai, which begins this week, is opening doors for some of the most marginalised voices in art

Hello, Kitty: Japan’s obsession with cats hits New York

Centuries before Maru the YouTube star, cats were revered in Japan – despite the fact they are not native to the country. That love endures, as a new show reveals

Van Gogh’s fading Sunflowers… and other tales of decaying art

Supposed damage to Van Gogh’s paintings is minimal, but other masterpieces by Leonardo and Duchamp et al are showing the ravages of time

The 10 best art patrons

As a new show at the National Gallery explores the influence of Paul Durand-Ruel, the dealer who ‘made’ the impressionists, Rachel Cooke highlights other great patrons and collectors

The 10 most expensive paintings ever sold

A Gauguin painting has sold for a reported $300m, making it the most expensive painting ever sold. See how it compares with other pricey paintings that have sold for vast sums