The whole truth about Van Gogh’s ear, and why his ‘mad genius’ is a myth

A new exhibition claims Vincent Van Gogh’s mental illness hampered his work, rather than drove his singular vision – and presents fresh medical evidence about his notorious self-mutilation

The Louvre’s closure proves art cannot survive climate change

The flooding in Paris is a stark warning of the danger posed by climate change to everything human civilisation has achieved – no matter how priceless

Jeff Koons: Now review – Damien Hirst’s joyless paean to Donald Trump of art

From sexed-up Hoovers to kitsch kids’ toys, Hirst’s celebration of his biggest artistic influence is empty of emotion, revealing the shallowness of his own art

Damien Hirst and Picasso: coming soon to a National Gallery near you?

Gabriele Finaldi is right. The Tate shouldn’t have exclusive access to 20th-century art. It’s time to end these closed-minded historical art wars

Warhol goes unseen but life’s a beach for Martin Parr – the week in art

The pop master shows his sly side, Calder prizewinners display poise, and the great British photographer heads on holiday – all in your weekly art dispatch