As one of the abstract styles developing in the 1960s, Optical illusion (or Op) Art features games of lines and geometric shapes in both black and white—like in the case of Bridget Riley, Jesús Rafael ...

The Centro de Arte Moderna Gulbenkian reopened in Lisbon on 21 September, having been added to ArchDaily's “Buildings of the Year.” Its permanent collection, the largest in Portugal, is now hosted in ...

The spring sales arrived in a gloomy market threatening full-on catastrophe. But there were some bright spots, including a ...

Speculation had been swirling around Miss January (1997) by the 71-year-old South African painter Marlene Dumas in the weeks ...