In an uncertain market, auction houses seek ways to make up the slack

Works by US artists such as Mark Bradford and the Starn brothers are still likely to adorn embassies around the world

US artist will transform the English stately home with hi-tech pieces and outdoor installations

She joins Smithsonian museum’s growing curatorial team just after organising Armory Show Focus sector

Qatari founder seeks to challenge stereotypes as anti-Muslim sentiment grows in the US

Production line of glass blowers will help create more than 1,000 unique works

Bob and Roberta Smith commission among 20 announced for UK event

But the British prime minister was thwarted by the baron’s Spanish wife and her sick dog, so the works ended up in Madrid

But culture experts remain cautious as extent of damage at the ancient site is assessed

Lifelong activist was “one of the truly radical artists of the 20th century”, says Hans Ulrich Obrist

As Isil retreats from ancient Syrian city US non-profit hopes to raise funds to launch "cubesat"

The Indianapolis Museum of Art restores sculpture by Robert Indiana

George Goldner, who led the museum’s department of prints and drawings for two decades, says it needs to reassess its priorities

Art Basel in Hong Kong has turned the city’s fortunes around, art-wise, but the city’s cultural infrastructure still has some way to go

Cromwell Place is intended primarily for galleries but will provide space for non-selling exhibitions too

New York hedge-fund manager is the latest foreign buyer to refuse a matching offer from a UK museum

Pioneers and rising stars have been picked for the main exhibition by the Centre Pompidou curator Christine Macel

Institutional leaders say such restrictions would have grave consequences on exhibitions, research and the future of cultural exchange

The news comes as the New York museum tackles financial problems, sheds staff, cuts down on shows and postpones a $600m project

British architect David Chipperfield’s proposal to restore the Haus der Kunst sparks furore