Led by major retrospectives of Ai Weiwei, Wayne Thiebaud, Ruth Asawa, Rashid Johnson and more, these shows illuminate new ways to appreciate top artists, past and present.

Chinese artist Ai Weiwei was recently barred from entering Switzerland after he was unable to produce a visitor's visa.

The Chinese artist-activist Ai Weiwei was denied entry to Switzerland and is among thousands affected by Portugal's visa ...

Ai Weiwei is a Chinese contemporary artist, documentarian, and activist. He is known internationally for undertaking complex ...