Works from the estate of Barbara Gladstone and the home of Daniella Luxembourg—plus a litter of Lichtensteins—energised 15 May marquee auction of post-war and contemporary art

The new fair’s focus on under-recognised figures and bodies of work from last century occasions rich discoveries, including works by artists who were unafraid to challenge material orthodoxies

The fair, now in its 12th year, is adding a second New York edition aimed at illuminating art historical blind spots

From a historical group show of works from 1960s Italy to David Harrison's trans pagan goats