Survey at Martin-Gropius-Bau boasts a staggering 1,000 exhibits discovered over the past 20 years in Germany

Munich-based dealer claimed paintings he sent for cleaning had been ruined

Stringent cultural heritage laws and bureaucracy are making consignments much harder to find

Pop artist's fist institutional exhibition revisited 50 years on at Stockholm’s Moderna Museet

Anselm Kiefer, Georg Baselitz and Kasper König are among more than 70 interviewees in the project, called Café Deutschland

The 1910 portrait of a marquis was sold by Alfred Flechtheim’s employee after the dealer fled Nazi Germany

City authorities in Wiesbaden say it posed a threat to security

Russia film-maker Ilya Khrzhanovsky teams up with Brian Eno, Marina Abramovic, Massive Attack for project called DAU

Country's stance contrasts that of neighbouring Russia, which still holds around a million items of war booty looted from Germany

Former artistic director says being blamed for museum’s financial woes was among “most shocking” moments of his career

“Women are particularly affected by this precarious situation,” study’s author says

Fund-raisers have so far raised €300,000 of €800,000 needed

The exhibition's manager, Annette Kulenkampff, welcomes prosecutor’s decision

Museum director Hilke Wagner seeks to address lingering prejudices with exhibition and events

“Management errors of the past” are responsible for troubles, statement says

From superhero action figures to Chianti-infused treasure hunts and poolside art, exhibitions are exploring the importance of play

The foundation walls contain niches used to store scrolls

Only ten of the wall paintings—created in housing complexes to offer visual relief from the booming German capital—remain

Online campaign criticises right-wing governments in Austria, Hungary and Poland and warns that Germany could be next

Quinquennial appoints eight-member search committee for curator of 2022 edition

The preserved head was held in Cologne's Rautenstrauch Joest Museum of world cultures for 110 years

Sotheby’s withdrew bronze sculpture of Mars from auction at last minute

Newly-funded projects include abandoned department store that was the set for The Grand Budapest Hotel film

Show of Marc Erwin Babej’s work comes as Namibia calls on Germany to return cultural treasures

Funds donated by Alwaleed Philanthropies will support exhibitions and education, including “Multaka” project to train refugees as museum guides

First exhibition will show around 300 works on paper from the bank’s vast corporate collection

Artist's donated installation pays tribute to "a small victory for science"

Project aims to produce affordable, off-grid tools

Dundo Museum's lost objects were traced by the Sindika Dokolo Foundation

Object was returned to consigner not museum from where it was looted at the end of Second World War