The Hayward Gallery's show proves that figurative painting never really died. These artists have adopted the tactics of photographers to surpass them

Keith Arnatt's photos depict dog turds and rubbish—but they are also about the medium of photography. Why has this great artist been so ignored?

Andreas Gursky's photographs are famous mainly because of their massive price tags. But what's really important about them is the revolutionary idea of photography they embody

Nic Dunlop's investigation into a prison commandant sheds light on the Cambodian holocaust not by asking why it happened, but how it happened

The new boom has made art a more secure investment than property or shares, and collectors also get the chance to make history

A single photograph led me to the "technician" of Cambodia's holocaust

One picture does not tell a story

The perceived possibilities of photography and postmodern art have killed painting. Still, it's a great time to be a painter