Tests by German institute show "characteristics inconsistent with ancient origin"

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

Former Art Deco swimming pool in Roubaix dives into Modern French sculpture

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

Construction has launched on the $1bn non-profit project, built to be “the world’s most inclusive and accessible art museum”

Cultural locations in the Caribbean, the US Gulf coast and Mexico hit by recent hurricanes and earthquakes were a last minute addition to the list

Multi-disciplinary venue the Momentary will open in 2020

The collection of 197 works is largely by Vancouver-based artists like Ian Wallace, Rodney Graham, Damien Moppet, Brian Jungen and Geoffrey Farmer, but also includes an important piece by Doris Salcedo

Filmmaker's personal collection will be on show, which includes works by Norman Rockwell, N.C. Wyeth and Robert Crumb

The Tate director knew Tate Modern would need to expand before it even opened. It has happened sooner than expected

On the 25th anniversary of German reunification, we republish our first ever front-page story, in which East Berlin museums chief Günter Schade defends his record and reveals how East German museums sold in order to buy

Nevada Desert site around Michael Heizer’s City is under threat

Protests about the gallery’s lack of transparency concerning the energy company's sponsorship miss the point of how big business and the arts interact

Nevada Senator has introduced a bill to preserve the land surrounding the mile-and-a-half-long land art project