Paintings by Remedios Varo, Leonora Carrington and Dorothea Tanning among the 25 works to be sold in London

Work by Italian artist Bernardo Cavallino was acquired at Sotheby's New York

The British artist is among those who have donated millions of pounds’ worth of art to charities—perhaps we could all take a leaf out of her book?

In stark comparison to recent staggering auction-house results, educators are struggling to maintain funding, says our columnist Melanie Gerlis

Christie's will offer Scillionian Beachscape alongside a late garden scene by Freud, both of which were once in the collection of renowned patron Simon Sainsbury

Paul Allen’s estate has pledged proceeds of its $1.6bn Christie’s sale to unnamed philanthropic causes, while FTX founder Sam Bankman-Fried vaguely promised to give away his fortune

A representative for the reality television star and entrepreneur emerged victorious from a five-minute bidding war

Heirs of Jewish art critic forced to sell the work estimated at $15m now set to benefit from Sotheby’s auction

Plus, a pair of Thornton Dial assemblages, a rare Chinese bowl and a work made out of flip-flops and suede

A record year for the French market was shored up by a particularly strong crop of Old Master work

My heart-stopping research saga to find out if Dorotheum’s part-painted cartoon by a "follower" was in fact a sleeper

Single-owner collections and millennials boost auction house’s revenues despite “challenging macro environment”

Fine art accounts for $5.7bn of that total, a 9.5% drop from 2021

New data shows there has been little real progress in fighting sexism and racism between 2008 and 2022

It comes to the block alongside another wooden sculpture by Heckel's contemporary Ernst Ludwig Kirchner

Ai Weiwei and Richard Serra have also given works to the auction taking place at Sotheby's Paris

Authorities are now taking legal steps to recover the work after it made €387,500 at Grisebach

Dated to a century after Leonardo's death, the work does not come from the artist's studio

Plus, a Modernist landscape by Ferdinand Hodler and a sumptuous Old Masters Madonna

Healthy bidding at Canadian auction house Heffel also achieved strong results for painter Lawren Harris

Collector Frances Scaife is selling 14 dog portraits by English and American artists at Hindman auction house in Chicago

Closed borders have impacted the selection of offerings this season, specialists say

Plus, how long left of the good times in the New York auction world? And abstract Black figuration

At the record-breaking sale at Christie's New York on 15 November 2017, the audience gasped and whooped as if they were at a very exclusive firework display

Warranties of authenticity offered to buyers can be hard to enforce when auctioneers can fall back on the “generally accepted opinion of scholars and experts”

Coming up at Christie’s and estimated at around $4m, the sketch given to neighbours who doused the fire and saved the Van Gogh family home and collection in 1941

White Disaster (White Car Crash 19 Times) (1963) will be offered at Sotheby's in New York next month

The work, which could become the second-most expensive by the painter at auction, failed to sell in 1998

The £7.8m work will remain on public display in Salford thanks to a charitable donation

Works from tech giant co-founder Paul Allen's estate go on sale at Christie's New York next month