Chinese artist and activist has been sharing photographs and videos on social media

Director Gregor Muir hopes to revamp spaces

She served at the Guggenheim Museum for almost 30 years, and says she thought she'd never leave

A change in date for the New York fair might be on the cards under new directorship

Former prime minister’s belongings attract bidders from 41 countries

Timothée Chaillou not consulted over postponement of new Paris art fair

Contemporary Art Society and Sfumato Foundation launch Great Works scheme to combat London bias

Angelo Savelli launches solo show programme at M&L Fine Art—the artist’s first exhibition in the UK

Refugee Response Foundation, founded by artist duo The Connor Brothers, is also due to help with legal and living costs

Auction totals continue dropping but the number of lots sold go up

A loyal champion of British painters, he helped bring post-war American art to London

Dismay that council’s decision will stop Bold Tendencies building on its success in south London

Sotheby’s sale of Konrad Bernheimer’s family property, once looted by the Nazis, failed to meet expectations

Lehmann Maupin and White Cube will host joint exhibition in March

Also Known as Africa postponed to 2016 amid heightened security and a bleak economic outlook

Sonia Boyce to cre ate database of works by artists of African and Asian descent held in UK public collections

Saatchi gallery exhibition features 30 artists from the UK and Ukraine shortlisted for new competition

Ivor Braka and Thomas Dane hope gift will encourage greater support for culture in the regions

Murals by Vanessa Baird, who won the Lorck Shive prize last week, will be installed in Oslo government building

Chief executive Tad Smith hopes to keep “excellent, less-tenured” staff who want to change the worlds of art, jewellery, cars and wine

Vertigo Sea will debut at the Arnolfini in Bristol before touring to Margate and Manchester

John Martin and Everard Read galleries opened Circa London this week

First exhibition will include a rarely seen sketch by Michelangelo and miniature portraits selected by Peter Blake

Tests suggests pigment used in some of the paintings not commercially available before artist’s death in 1956

Art project that transformed Peckham car park faces uncertain future