20th & 21st Century ArtAuction HighlightsBlue-sky thinking: eight artworks inspired by gazing into the infiniteIn different ways, the artists who made these works, from Albers to Fontana, explored ‘everything that happens in the sky’
20th & 21st Century ArtArtist & MakersA ‘universal beauty’: how Mondrian reinvented abstractionA rare 1922 painting will lead Leonard & Louise Riggio: Collected Works at Christie’s New York this May
20th & 21st Century ArtCollecting GuidesPiet Mondrian: 10 things to know about the pioneering modernistThe life and work of the pioneering modernist, who saw abstraction as ‘not the creation of another reality, but the true vision of reality’
20th & 21st Century ArtCollecting GuidesA guide to German ExpressionismHow two groups of early-20th-century artists, Die Brücke and Der Blaue Reiter, agitated a changing nation ‘to the very depth of its soul’