Former director of Pompidou among names behind online platform, which sells works for under $10,000<br> <br>

September exhibition focuses on the refugee crisis engulfing Turkey and Europe

A US court has dismissed a claim to recover two paintings looted by Nazis, but collector’s heir plans to appeal

18th-century journal will be included in Ashmolean Museum exhibition, which also examines divination, omens and horoscopes

Two festivals in September aim to present region's thriving culture industry amid political turbulence

Work depicting aristocrat as a young poet will remain on view at Powis Castle in Wales

Patron Maja Hoffmann is building a €100m cultural campus on vast site previously used to manufacture trains in southern France

Artist's first series of sculptures is on show in south-west France<br> <br>

Plans for pedestrian bridge put artist studios under threat as post-Olympics regeneration continues

Carbon-dating reveals wooden figure of A’a carved on Rurutu 250 years before arrival of Captain Cook

Travelling exhibition Lapidarium will also be on view at capital city's Trajan’s Market

Open-air display of photographs covered in black paint in "politically motivated" attack

Channel spirits at the Courtauld Gallery and find “found” objects at the Foundling Museum <br>

Theaster Gates’s Stony Island Arts Bank reportedly to display the structure

Winning plan by Olson Kundig of Seattle proposes a rainbow gallery and an exit slide

The artist is being sued for $5m by a corrections officer who says he bought a work by Doig for $100 in the 1970s

Fiac art fair has organised new festival taking place in famous Parisian locations<br>

Painting of Fredrick Howard will remain at Castle Howard in Yorkshire<br>

Many of the works owned by Gerald Grosvenor, who has died aged 64, have been loaned over the years to a small museum near the family seat in Chester <br>

Dilijan Arts Observatory will culminate in exhibitions at the Hamburger Bahnhof and Pompidou Centre

Collection was assembled by the philanthropists Christof and Ursula Engelhorn over many decades

Director Johan Simons says that the programme reflects how “Europe is questioning itself”<br>

Discovery in Phanagoria, the ancient Greek site near Crimea, is of "international significance"

Nazi-era loot expert panel has no Jewish member and has mediated just 13 cases since 2003

Three major shows are planned for Paris museum next year, including one featuring collection of Jean Pigozzi

Move towards "greater and greater" transparency cannot be stopped, he says

Project is French artist's second major venture in Brazilian city after work in favela in 2008

Stark findings from two high-profile studies are pushing the sector to act on ethnic diversity—but not everyone agrees on what to do<br>

An installation by the Italian artist Giancarlo Neri is the most recent project to lose funding during Brazil's economic crisis

New multi-screen video installation depicting the Virgin Mary, along with the companion Martyrs work, cost £2.5m to make and install