One of spring’s biggest trends is duo-toning – wearing two contrasting hues. Art critic Jonathan Jones explains how 17th-century colour theory is influencing your wardrobe
Pristine prints of famous bullfighting series stored in old ledger hidden on library shelf could fetch up to £500,000 at auction
Art world waits to see how collective known for highly political work will fill huge exhibition space in London
Court rules American artist copied a 1975 postcard by Jean-François Bauret for his 1988 sculpture of two children
Landmark fashion meets great sculpture in the designer’s ambitious new show
A new app, Smartify, allows you to point your phone at artworks and instantly know everything about them. But while facts can enrich enjoyment, it is the shock of the unknown that really makes art resonate