Sale of three valuable paintings by Warhol, Still and Marden points to a thirst for a $65m windfall, with no curatorial rationale

The auction houses sell more than 80% of works priced over $1m at auction—can an underdog ever wrestle market share away from them?

Putting aside museum ethics, Martin Gammon looks at the financial viability of museums deaccessioning their collection as a quick fix for financial trouble

Martin Gammon on the historical precedents of the $450m sale