The architect, a champion of cities, now turns a spotlight on the countryside in a sprawling new exhibition about the other 98 percent of the world.

The gallerist Robert Diament and the actor Russell Tovey founded Talk Art as gossipy chat. Now it’s a global hit.

The board members said they should have been consulted before the Smithsonian asked Caroline Baumann to resign after an investigation.

After seven decades of experimentation, the artist produces “Unlights,” a confounding wonder — and possibly “my swan song.”

The painter’s biting critiques shape his five-decade retrospective at the New Museum.

Auction houses had been competing for the sale of the collection. Three galleries, Acquavella, Gagosian and Pace, will sell his works as well as present an exhibition this spring.

The institution purchased nearly 100,000 images by Shawn Walker, who also donated recordings, artifacts and papers documenting the Kamoinge Workshop.

Her indelible images came to represent the Great Depression. Now a revelatory exhibition at MoMA confirms her place in the pantheon of American photographers.

The Brooklyn Museum has hung Jacques-Louis David’s “Bonaparte Crossing the Alps” alongside an adaptation by Kehinde Wiley. It’s a face-off between two visions of the political power of art.

The jazz musician’s impeccably maintained home in a modest New York City neighborhood is a testament to his — and midcentury design’s — legacy.