The painting, which took the artist less than an hour to paint, was restored for the National Portrait Gallery's exhibition opening in London this week

Structural engineers and architects were among those restoring the room-sized cast at the National Gallery of Art in Washington, DC

Sculptor’s Méta-Harmonie II is ready for action after a year-long conservation effort in Basel

The Battel Hall retable, which survived the fury of 16th-century iconoclasts, bears later scars of graffiti and "witchmarks" against evil spirits

After conservation effort, Museum of Fine Arts decides its hunch was correct

More than 30 conservators will treat paintings and sculptures, seven years after French culture ministry halted reckless cleaning of two panels

Prize goes to firm for restoration of a monument to ‘civic Communism’

The two works at Palazzo Zaguri were found submerged in water on Monday night

Vatican conference on preventive conservation warns of environmental impact of short-term politics

Royal Navy statues are being made shipshape and ready for installation at The Box, opening in 2020

Conservator calls in master storyteller to decipher shamanic object

Dia's presentation coincides with the Whitney Museum of American Art’s retrospective on the artist

Institution hopes to raise £15,000 to clean and conserve wooden structure surrounding The Snake in the Grass

After painstaking work, its restorer curates a display at Berlin’s Alte Nationalgalerie

Toledo Museum of Art in Ohio shows three paintings confirmed as one original work by recent conservation

The conservation projects include the National Art Schools in Havana, the Gateway Arch in St Louis and the Salk Institute for Biological Studies in California

Sixteenth-century painting of Christ on the cross was rushed immediately for conservation

Newly conserved danse macabre work travels to Vienna for major exhibition marking 450 years since the artist's death

Authorities vow to find rock fan who damaged Medieval statue

State-of-the-art conservation project that took 21 years brings masterpiece of Baroque architecture back to its former glory

Accademia Carrara’s curator Giovanni Valagussa explains how he put “two and two” together

Edgar Miller finally gets his due as the city prepares to celebrate the overlooked designer’s eclectic work

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

We spoke to the V&A's Alan Derbyshire about Nicholas Hilliard's trick for painting the perfect ruby and why collector's need to look at their miniatures often

Authorities says they have received "good offers from the world powers" to help conserve ancient sites

The Calderstones are being studied, recorded and restored before their reinstallation

Scholars say the organisation needed to build the 12,000-year-old temple may mark the beginnings of class society and patriarchy

The picture is on display in Tate Britain's show Aftermath: Art in the Wake of World War One

The garment was conserved for the Holburne Museum's exhibition of objects collected by the “intrepid” traveller Ellen Tanner

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