Jesús Rafael Soto plays a starring role in Artnet Auctions' Contemporary Editions sale with five dynamic works.

Red, Green, and Blue Twisted Curves, 1979. The “spectator who looks at my work is part of the work itself,” Riley has said. Collection of the artist. ©Bridget ...

Op Art, also known as optical art, is a type of art that features optical illusions. The way that lines, shapes, space and colour are used can fool our eyes and brain to see movement that is not ...

The pieces recall the visual hijinks of op art. “I’m also trying to get vision to go on the fritz, so to speak,” the artist said. Kim has also been crafting prints in biology labs ...