In an unprecedented move, the gallery has published the cost of all its purchases for the last two years

The US billionaire wanted airport-style security and exceedingly low lighting levels

The Charity Commission is now investigating all acquisitions made from artists while they were serving as trustees

Designed by Herzog & de Meuron, this addition to the museum will provide much needed exhibition space

The Dark Rigi has become embroiled in murky legal waters

Following its disappearance in 2003 and an international sting, the Sumerian statue was retrieved

Both museums are taking the international route

Neither will the National Gallery’s Ambassadors which was judged too fragile to travel across London

Horse breeder John Magnier has given seven other paintings to the institution for at least six years—exempting him from tax should the works be sold

The new display is entirely funded by the Jameel family of Saudi Arabia

The exhibition (closing 2 July) will catalogue Holbein's output during his time in Basel, preceding Tate Britain's "Holbein in England"

Organisation had insisted he demand return of drawings held by the British Museum, but he wanted financial compensation

Tate Modern's first rehang includes Marlene Dumas

The British Museum, Christie’s, the National Art Collections Fund and the Inland Revenue, among others, were all fooled

The institution has installed an impressive high-tech robotic system to store and retrieve its holdings of prints and drawings

MLA director apologises as Tate reserves right to decide over national accreditation—without loss of privilege

Diplomacy will be required to deal with warring factions

Despite a lack of evidence suggesting that the basalt stele was excavated illegally, the Turkish government are making a bid to regain the artefact

The Czartoryski family in Poland, who lost much of their art during the war, say it belongs to them

Trustees discuss idea following our report

After initially refusing , the true price was eventually disclosed

The collection will be put into storage

Money is needed to ensure the long-term survival of the institution set up by Victorian artist G.F. Watts

The Tate could not raise the money to buy this unique portfolio. Will a US museum save it before it is dispersed at Sotheby’s?

This is the first time a piece of the ancient building has returned to Athens

Redesigned space will open in March

Meanwhile the Charity Commission investigates purchase of The upper room

After Tate resisted the release of the sums paid for Ofili's 'The Upper Room', Tate will now more often disclose the price of works bought from artist-trustees.