Every month, hundreds of galleries add newly available works by thousands of artists to the Artnet Gallery Network—and every week, we shine a spotlight on one artist or exhibition you should know.

Add Yahoo as a preferred source to see more of our stories on Google. Bridget Riley's Green Dominance, Blue Dominance, Red Dominance (complete set of three), 1977 A donation last year of 14 giant bins ...

Starting in the early 1960s, British artist Bridget Riley began exploring a style of art based upon simple geometric forms such as squares, lines, and ovals. Known as Op-art, the works created in this ...