Dan Duray

Miami collectors back White House hopefuls

Who is supporting whom with hard cash

Donors give to local art projects

Knight Foundation awards $2.36m to 53 initiatives in Miami

Can polar bear hair authenticate contested Pollock painting?

Estate of Jackson Pollock’s mistress builds new case around forensic analysis

Insurance rates drop back to pre-Hurricane Sandy levels

Premiums head south but conditions more onerous

Strong finish for New York auction marathon at Christie’s

Matisse’s drawing of sleeping beauty fitted mood of quiet Impressionist and Modern sale

Records for Cy Twombly and Mike Kelley at solid Sotheby’s sale

Contemporary art auction in New York meets expectations as market finds its level

Louise Bourgeois’ spider breaks record, but auction at Christie’s crawls in below estimate

Auction house’s post-war and contemporary sale in New York last night was patchy

Modigliani sells for $170m to China, but market ‘a little cooler, a little smarter’

Shaky stock market dampens Christie’s contemporary and Modern art auction

Never on a Sunday: Phillips contemporary sale fails to meet low estimate

The auction house’s CEO Ed Dolman pins tepid results to “selective bidding” by collectors saving their money for the week’s auction gauntlet

Picasso portrait helps Sotheby’s put Taubman blues behind it

Billionaire sells Blue Period La Gommeuse for $67m in upbeat Impressionist and Modern sale

Big show for Oldenburg's mini works

Paula Cooper's exhibition, which opens tomorrow, includes miniatures of some of the Pop artist's most monumental pieces

Lacklustre result for Sotheby’s sale of former chief's best works

Modigliani soars, but many pieces once owned by Alfred Taubman fall flat

Performa’s ten-year balancing act

Latest edition of performance art biennial launches this month, bringing new works to venues across New York

Lawnews

Director of famous gallery embroiled in tech chief’s ‘game’ to hide proceeds from art sales

Court ordered businessman to sell assets following insider trading scandal

New York mayor makes slow progress on election promises

Bill de Blasio slashes budgets for big capital projects and has yet to deliver on other fronts

Online art sales are on the up—and so is fraud

Retailers need to do more to protect buyers from fraudsters selling fakes as online art businesses attract more investment

Just what is Isil looting in Syria?

Amid destruction and murder, it is difficult to know the extent of the terrorist group’s antiquities trafficking

A picture says a thousand words

Ten years after hurricane Katrina hit New Orleans, we asked artists and curators to describe what they see as the defining image of the storm and its aftermath