Tony Wood

How​ many Maleviches were there? Though renowned as a pioneer of abstraction, especially for the stark geometry of his Suprematist canvases, Kazimir Malevich worked in many styles over the course of his career. The retrospective at Tate Modern (until 26 October), the most substantial in 25 years, is an unusual chance to see all his personae in one place, with more than three hundred...

After​ six months of a rolling crisis that has brought mass street protests, the fall of the Yanukovych government, the annexation of Crimea and pro-Russian rebellions in the east and south of the country, Ukraine seemed by mid-May to be poised on the brink of a far deeper disaster. With fulsome backing from the West, soldiers loyal to the interim government in Kiev were engaged in what it...

There is no shortage of turning points in Russia’s 20th-century history, from the October Revolution of 1917 to the German defeat at Stalingrad in February 1943, to the overnight disappearance of the Soviet Union at the end of 1991. But as well as these obviously pivotal moments, there are other, hidden hinges of the country’s fate. Geologists had long suspected that the ground...

A huddle of elderly people trudge through ankle-deep snow, pushing a wooden freight car along a barely visible set of tracks. The women are wrapped in headscarves, the men wear fur hats and thick gloves. These are the last remaining inhabitants of Workers’ Settlement No. 3, and the subjects of Sergei Dvortsevoy’s remarkable 1998 documentary Bread Day; the freight car is bringing...

Since the mid-1980s, Edward Burtynsky has been photographing landscapes that have been transformed by human intervention. In his early work – a series on mines and one on railway cuttings from 1985; one on quarries from the early 1990s – the human presence took the form of a geometric intrusion into the natural world: regular slabs cut from granite, rail-tracks slicing across a...