New research finds teenage artist's landscapes were based on a magazine for amateurs learning how to paint

The Basel exhibition on the painter's landscapes takes a fresh look at the American icon

Estimated to fetch $7-$10m, the New York cityscape, depicts the iconic Central Park statue of the playwright

A monumental painting of the American West by Emanuel Leutze breaks records while works by Rockwell and Hopper flop

Estimated at $300m, the sale of American Modernist masterpieces will be digitally encrypted by the blockchain startup Artory

Christie's to sell $70m painting once pledged to the Seattle Art Museum

Exhibition in Margate includes works by Edward Hopper, Lee Miller and John Stezaker

Five thousand items, shared between Whitney and artist's boyhood home, could inspire new exhibitions