Appeal after fresh information emerges about possible Nazi loot

Artists say they are under pressure to tone down their work after Associated Press removes images of controversial pieces

Western dealers and curators look to the South

The initiative aims to help doctors improve their observation skills

She will be stepping into her hero Maria Callas' shoes for the project

Hu Yanyan says that results will still be “healthy”

But University of London also claims victory—and costs could be up to £1m

The project will make hundreds of the artists films more accessible

Tension with the University of London has been growing

The warning states that certificates of authentication allowing imports of African cultural heritage are being forged

The artist has condemned Narendra Modi, widely expected to be India's next prime minister

The University of Granada says it has found an authentic copy of Raphael’s Madonna of Foligno

The project has already documented around 2,000 works

The painting came up for sale at auction in 2007 in Vienna, where it was catalogued as being by an “imitator” of Raphael

The ceremony is part of the US debut of “The Life and Death of Marina Abramovic”

An unpublished list provides details of the fate of 44 paintings confiscated by the Andy Warhol estate in 1991

Unesco places major national heritage sites on danger list as ground combat, air strikes and looting reduce ancient settlements to rubble

The building has been refurbished and extended by the architect Zaha Hadid

Foundation’s sales agent also worked for authentication board; president rejects claim decisions may have been made for financial gain

Major grant to expand project that uses images from Corona military satellite system to pinpoint archaeological remains

“It’s a granular look at different types of presidential films of the past century,” says one of the festival’s founders

Phillips’s chief executive says Frieze might have distracted potential buyers

A Las Vegas gun company announced in July that it had created an accessory for the “stylish” gun owner