Fair presentations, Frieze Week exhibitions and a major Tate show all foreground Nigerian artists, including Twins Seven-Seven, El Anatsui and Nengi Omuku

The porcelain expert explains how an animal encounter set her on a lifelong obsession

In a new series on important acqusitions, curator Emma Capron explains what makes the National Gallery’s spectacular 16th-century altarpiece such a historic addition to its collection 

Abby Bangser, curator of the inaugural Reflections section at Frieze Masters, explains how two landmark collections inspired it

The artists featured in this year’s Studio section discuss the influence of woodblocks from Hokusai to nihonga portraits

A forgotten 19th-century French process has contemporary lessons to teach us about understanding the nature of authorship

The New York gallerist on the Kaiadilt painter – presented at Frieze Masters – who created a unique style to express her universe

World expert Francesca Galloway explains the nuances of two historical paintings in the contrasting Hindu and Mughal styles