The Eurovision party is officially underway. Welcome to a week of power pop, outrageous outfits and, inevitably, protests.

Despite being a prolific draughtsman, fewer than 20 paintings by Leonardo survive. But which were his greatest hits?

The Zurich Cantonal Council has insisted that the Zurich Art Society and the Bührle Foundation clarify the provenance of all ...

Several collectors told us they were waiting to see what Independent had to offer before locking in buys, but an encouraging ...