The first survey of the French-American artist Niki de Saint Phalle opens at the Nelson-Atkins Museum in Kansas City
The spiritual side of space, colour and light preoccupied the modernist artists who gathered in Munich before the First World War
The Louvre looks at the ancient history that inspired a French aristocrat to create a modern form of the Olympic Games
Plus: Christie’s withdraws four Greek vases from auction and strike at National Museums Liverpool is set to continue
More than 150 masterpieces of ancient Chinese craftsmanship go on show at the Asian Art Museum in San Francisco
The father of German Romantic art gets a major survey to mark the 250th anniversary of his birth
This shadowy depiction of Saint Ursula, thought to be Caravaggio’s last work, demonstrates that the artist’s mastery never left him
An exhibition in Venice suggests that the Abstract Expressionist’s visits to Rome changed his art for ever
When he’s not using stadiums to realise his visions, the artist welcomes all manner of visitors, from school kids to tuk-tuk drivers, in his studio-cum-gallery in northern Ghana
Plus: Endeavor, the owner of Frieze, goes private for $13bn; and Kim Conaty is the Whitney’s new chief curator