Tacca's Hercules is star of the bronzes, while Carracci's military portrait and Rembrandt's print find favour where Rubens's daughter flounders in £31.1m sale

Bronze and marble take centre stage during Old Masters sales week, although Dresden Mars returns home without going on the block at Sotheby's

Christie’s introduces day sale format and established names give way to new talent

Sotheby's sale fell below estimate while Christie’s provided some cheer, showing there is still money in Monet – but only the right one

The art world has yet to tackle issues around works like Picasso’s $115m child-prostitute portrait

Hostile relations between Russia and the West following attempted poisoning of former MI6 spy may dampen bidding at London's Russian sales

Still no evening auction, but blue-chip artists make way for fresh talent in new day sale format

New record for Joan Mitchell as fresh artists join the $10m-and-up club—but Bacon and Basquiat still dominate top prices in New York

Even without a $150m-plus headliner, the auction topped rival Sotheby’s by $100m thanks to deeper, more even bidding

Leaning on romance of Rockefeller name and its appeal to international and first-time buyers, the auction house triumphed in its marathon week of sales

The heads of Christie's, Bonhams and Phillips speak on market shifts, challenges and why they believe their model will succeed

Evening auction featuring the family's most valuable works set new records for Monet and Matisse

Sit back, relax, and follow the action from tonight's evening sale via tweet

Ahead of the sale of the David and Peggy Rockefeller collection at Christie’s this week, the family's archivist examines their approach

Painting of artist’s lover and muse comes to auction for the first time at Christie’s New York in May

The ritual objects include Mezcala and Chontal sculpture, plus Olmec stone celts

Exhibition targeted at Old Master collectors will not compete with the contemporary art event, auction house says

Christie’s to auction portrait of John Frederick the Magnanimous in New York next month

The release of a pre-conservation image of Leonardo’s $450m Salvator Mundi reignites debate over the transparency of conservators’ interventions

We spoke to a few specialists about the jewellery trade ahead of the fair

Buccaneering, brilliant, art-loving—he created the power of Sotheby’s (and Christie’s learned by imitation)

Christie’s and Sotheby’s dominate in terms of value but smaller firms can compete in the field of Asian art, with the internet’s help

Buyer bidding through advisors Gurr Johns, combined with strong Asian interest, buoys London Impressionist and Modern art sales at Christie's and Sotheby's

From the Deutsche Börse photography prize to Rockefeller's collection including Gauguin and Picasso

We talk to the American dynasty’s historian about David and Peggy Rockefeller’s tastes, and explore the funding crisis at Glasgow’s Transmission Gallery

Christie's sale of 46 works from La Salle collection will diminish the museum and its academic programme

The increase comes from a rise in new online buyers and one very expensive Leonardo

Mousquetaire et nu assis is among highlights of London evening sale of Modern and Impressionist art in February

Flaky winning bids are knocking the gloss off record-breaking sales

$450m Salvator Mundi sale too late to be included in new book, The Orange Balloon Dog, but would have filled several chapters, economist says